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href="/css/style.css?v=2d24f6fe3e" as="style"><link rel="preload" href="https://static.mhuig.top/npm/volantis-static@0.0.1660614606622/media/fonts/VarelaRound/VarelaRound-Regular.ttf" as="font" type="font/ttf" crossorigin="anonymous"><link rel="alternate" href="/atom.xml?v=fe8205151a" title="MHuiG" type="application/atom+xml"><link rel="alternate" href="/rss2.xml?v=6b8706d024" title="MHuiG" type="application/rss+xml"><title>LaTeX数学符号语法速查表 - MHuiG</title><meta name="keywords" content=",,Blog, IT, BigData, MHuiG, @MHuiG, iMHuiG, 博客, 梦幻岛, Neverland, 技术博客"><meta desc name="description" content="最近写一些报告的时候经常需要使用 LaTeX 语法输入数学公式,每次用的时候都去网上搜资料实在是太麻烦了,所以花了点时间整理了一些常用的 LaTeX 数学符号语法供自己查阅。 - MHuiG - MHuiG"><meta property="og:type" content="website"><meta property="og:title" content="MHuiG"><meta property="og:url" content="https://blog.mhuig.top/notes/LaTeX/"><meta property="og:site_name" content="MHuiG"><meta property="og:description" content="最近写一些报告的时候经常需要使用 LaTeX 语法输入数学公式,每次用的时候都去网上搜资料实在是太麻烦了,所以花了点时间整理了一些常用的 LaTeX 数学符号语法供自己查阅。"><meta property="og:locale" content="zh_CN"><meta property="og:image" content="https://blog.mhuig.top/lib/favicon/android-chrome-192x192.png"><meta property="article:published_time" content="2019-09-22T11:31:00.000Z"><meta property="article:modified_time" content="2022-05-10T02:26:00.000Z"><meta property="article:author" content="MHuiG"><meta property="article:tag" content="Math"><meta property="article:tag" content="LaTeX"><meta name="twitter:card" content="summary"><meta name="twitter:image" content="https://blog.mhuig.top/lib/favicon/android-chrome-192x192.png"><meta name="twitter:creator" content="@iMHuiG"><meta name="twitter:site" content="@iMHuiG"><style>#safearea{display:none}.post-story+.post-story{content-visibility:auto;contain-intrinsic-size:10px 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itemtype="http://schema.org/Article" class="article post white-box reveal md shadow floatable blur article-type-docs" id="docs" itemprop="blogPost"><link itemprop="mainEntityOfPage" href="https://blog.mhuig.top/notes/LaTeX/"><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MHuiG"></span><span hidden itemprop="post" itemscope itemtype="http://schema.org/Post"><meta itemprop="name" content="MHuiG"><meta itemprop="description" content="MHuiG&amp;#39;s Blog (MHuiG的博客) MHuiG&amp;#39;s Neverland(MHuiG的梦幻岛) —— MHuiG(@MHuiG) 随便写写画画的地方 - 技术博客"></span><span hidden><meta itemprop="image" content="/lib/favicon/android-chrome-192x192.png"></span><div class="article-meta" id="top"><span hidden itemprop="name headline"></span></div><div id="layoutHelper-page-plugins"></div><div id="post-body" itemprop="articleBody"><p><svg style="width:50px;margin:0 auto;display:block" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><defs><style>.fa-secondary{opacity:.4}</style></defs><path class="fa-primary" d="M192 .0146 160 .0098c-52.94 0-96 43.07-96 96v96H32c-17.67 0-32 14.31-32 32s14.33 32 32 32h32v128c0 17.66-14.36 31.1-32 31.1-17.67 0-32 14.32-32 32s14.33 32 32 32c52.94 0 96-43.06 96-96v-128h32c17.67 0 32-14.31 32-32s-14.33-32-32-32H128v-96C128 78.36 142.4 64.01 160 64.01l32 .0049c17.67 0 32-14.31 32-32S209.7.0146 192 .0146zM477.3 320l33.38-33.38c12.5-12.5 12.5-32.75 0-45.25s-32.75-12.5-45.25 0L432 274.8l-33.38-33.38c-12.5-12.5-32.75-12.5-45.25 0s-12.5 32.75 0 45.25l33.38 33.38-33.38 33.38c-12.5 12.5-12.5 32.75 0 45.25 6.25 6.25 14.44 9.375 22.62 9.375s16.38-3.125 22.62-9.375L432 365.3l33.38 33.38c6.25 6.25 14.44 9.375 22.62 9.375s16.38-3.125 22.62-9.375c12.5-12.5 12.5-32.75 0-45.25L477.3 320z"/><path class="fa-secondary" d="M321.2 133C306.3 123.5 286.5 127.1 276.1 142.9c-70.48 110.9-70.48 243.4 0 354.3 6.109 9.594 16.47 14.84 27.05 14.84 5.875 0 11.81-1.625 17.12-5 14.92-9.469 19.33-29.25 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72 522 106 564 161Q580 191 594 228T611 270Q616 273 628 273H641Q647 264 647 262T627 203 583 83 557 9Q555 4 553 3T537 0 494-1Q483-1 418-1T294 0H116Q32 0 32 10 32 17 34 24 39 43 44 45 48 46 59 46H65Q92 46 125 49 139 52 144 61 147 65 216 339T285 628Q285 635 228 637Z"/></g><g data-mml-node="mi" transform="translate(681,0)"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mi" transform="translate(1210,0)"><path data-c="1D447" d="M40 437Q21 437 21 445 21 450 37 501T71 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260 282 260 327 284T373 353Z"/></g><g data-mml-node="mi" transform="translate(2380,0)"><path data-c="1D44B" d="M42 0H40Q26 0 26 11 26 15 29 27 33 41 36 43T55 46Q141 49 190 98 200 108 306 224T411 342Q302 620 297 625 288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681 380 681 408 681T453 682 473 682Q490 682 490 671 490 670 488 658 484 643 481 640T465 637Q434 634 411 620L488 426 541 485Q646 598 646 610 646 628 622 635 617 635 609 637 594 637 594 648 594 650 596 664 600 677 606 683H618Q619 683 643 683T697 681 738 680Q828 680 837 683H845Q852 676 852 672 850 647 840 637H824Q790 636 763 628T722 611 698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142 638 56Q648 47 699 46 734 46 734 37 734 35 732 23 728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10 444 11 446 25 448 35 450 39T455 44 464 46 480 47 506 54Q523 62 523 64 522 64 476 181L429 299Q241 95 236 84 232 76 232 72 232 53 261 47 262 47 267 47T273 46Q276 46 277 46T280 45 283 42 284 35Q284 26 282 19 279 6 276 4T261 1Q258 1 243 1T201 2 142 2Q64 2 42 0Z"/></g></g></g></svg></mjx-container></span></p><br><h1 hidden>LaTeX 数学符号语法速查表</h1><p><strong>PS:</strong> 更多符号使用可以查看 <a target="_blank" rel="external nofollow noopener noreferrer" href="https://artofproblemsolving.com/wiki/index.php/LaTeX:Symbols">LaTeX:Symbols</a></p><div class="story post-story"><h2 id="加减乘除"><a href="#加减乘除" class="headerlink" title="加减乘除"></a>加减乘除</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.186ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.505ex" role="img" focusable="false" viewBox="0 -583 778 665"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.186ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.505ex" role="img" focusable="false" viewBox="0 -583 778 665"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2212" d="M84 237T84 250 98 270H679Q694 262 694 250T679 230H98Q84 237 84 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:.02ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.09ex" role="img" focusable="false" viewBox="0 -491 778 482"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="D7" d="M630 29Q630 9 609 9 604 9 587 25T493 118L389 222 284 117Q178 13 175 11 171 9 168 9 160 9 154 15T147 29Q147 36 161 51T255 146L359 250 255 354Q174 435 161 449T147 471Q147 480 153 485T168 490Q173 490 175 489 178 487 284 383L389 278 493 382Q570 459 587 475T609 491Q630 491 630 471 630 464 620 453T522 355L418 250 522 145Q606 61 618 48T630 29Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.081ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.296ex" role="img" focusable="false" viewBox="0 -537 778 573"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="F7" d="M318 466Q318 500 339 518T386 537Q418 537 438 517T458 466Q458 438 440 417T388 396Q355 396 337 417T318 466ZM56 237T56 250 70 270H706Q721 262 721 250T706 230H70Q56 237 56 250ZM318 34Q318 68 339 86T386 105Q418 105 438 85T458 34Q458 6 440-15T388-36Q355-36 337-15T318 34Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> +</td><td>-</td><td>\times</td><td>\div</td></tr></tbody></table></div><div class="story post-story"><h2 id="幂运算"><a href="#幂运算" class="headerlink" title="幂运算"></a>幂运算</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.023ex" xmlns="http://www.w3.org/2000/svg" width="2.3ex" height="1.551ex" role="img" focusable="false" viewBox="0 -675.5 1016.5 685.5"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mi" transform="translate(562,363) scale(0.707)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.023ex" 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101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g><g data-mml-node="mo" transform="translate(0,-17)"><path data-c="221A" d="M95 178Q89 178 81 186T72 200 103 230 169 280 207 309Q209 311 212 311H213Q219 311 227 294T281 177Q300 134 312 108L397-77Q398-77 501 136T707 565 814 786Q820 800 834 800 841 800 846 794T853 782V776L620 293 385-193Q381-200 366-200 357-200 354-197 352-195 256 15L160 225 144 214Q129 202 113 190T95 178Z"/></g><rect width="572" height="60" x="853" y="723"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.491ex" xmlns="http://www.w3.org/2000/svg" width="3.224ex" height="2.398ex" role="img" focusable="false" viewBox="0 -843 1425 1060"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mroot"><g><g data-mml-node="mi" transform="translate(853,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g><g data-mml-node="mi" transform="translate(211.8,338.5) scale(0.5)"><path data-c="1D45B" d="M21 287Q22 293 24 303T36 341 56 388 89 425 135 442Q171 442 195 424T225 390 231 369Q231 367 232 367L243 378Q304 442 382 442 436 442 469 415T503 336 465 179 427 52Q427 26 444 26 450 26 453 27 482 32 505 65T540 145Q542 153 560 153 580 153 580 145 580 144 576 130 568 101 554 73T508 17 439-10Q392-10 371 17T350 73Q350 92 386 193T423 345Q423 404 379 404H374Q288 404 229 303L222 291 189 157Q156 26 151 16 138-11 108-11 95-11 87-5T76 7 74 17Q74 30 112 180T152 343Q153 348 153 366 153 405 129 405 91 405 66 305 60 285 60 284 58 278 41 278H27Q21 284 21 287Z"/></g><g data-mml-node="mo" transform="translate(0,-17)"><path data-c="221A" d="M95 178Q89 178 81 186T72 200 103 230 169 280 207 309Q209 311 212 311H213Q219 311 227 294T281 177Q300 134 312 108L397-77Q398-77 501 136T707 565 814 786Q820 800 834 800 841 800 846 794T853 782V776L620 293 385-193Q381-200 366-200 357-200 354-197 352-195 256 15L160 225 144 214Q129 202 113 190T95 178Z"/></g><rect width="572" height="60" x="853" y="723"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> a^x</td><td>a^{xyz}</td><td>\sqrt{x}</td><td>\sqrt[n]{x}</td></tr></tbody></table></div><div class="story post-story"><h2 id="逻辑运算"><a href="#逻辑运算" class="headerlink" title="逻辑运算"></a>逻辑运算</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.188ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.507ex" role="img" focusable="false" viewBox="0 -583 778 666"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2295" d="M56 250Q56 394 156 488T384 583Q530 583 626 485T722 250Q722 110 625 14T390-83Q249-83 153 14T56 250ZM364 542Q308 539 251 509T148 418 96 278V270H369V542H364ZM681 278Q675 338 650 386T592 462 522 509 458 535 412 542H409V270H681V278ZM96 222Q104 150 139 95T219 12 302-29 366-42H369V230H96V222ZM681 222V230H409V-42H412Q429-42 456-36T521-10 590 37 649 113 681 222Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.05ex" xmlns="http://www.w3.org/2000/svg" width="1.509ex" height="1.403ex" role="img" focusable="false" viewBox="0 -598 667 620"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2228" d="M55 580Q56 587 61 592T75 598Q86 598 96 580L333 48 570 580Q579 596 586 597 588 598 591 598 609 598 611 580 611 574 546 426T415 132 348-15Q343-22 333-22T318-15Q317-14 252 131T121 425 55 580Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.05ex" xmlns="http://www.w3.org/2000/svg" width="1.509ex" height="1.403ex" role="img" focusable="false" viewBox="0 -598 667 620"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2227" d="M318 591Q325 598 333 598 344 598 348 591 349 590 414 445T545 151 611-4Q609-22 591-22 588-22 586-21T581-20 577-17 575-13 572-9 570-4L333 528 96-4Q87-20 80-21 78-22 75-22 57-22 55-4 55 2 120 150T251 444 318 591Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \oplus</td><td>\vee</td><td>\wedge</td></tr></tbody></table></div><div class="story post-story"><h2 id="关系运算"><a href="#关系运算" class="headerlink" title="关系运算"></a>关系运算</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.186ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.505ex" role="img" focusable="false" viewBox="0 -583 778 665"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="3D" d="M56 347Q56 360 70 367H707Q722 359 722 347 722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153 722 140 707 133H70Q56 140 56 153Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.486ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="2.106ex" role="img" focusable="false" viewBox="0 -716 778 931"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2260" d="M166-215T159-215 147-212 141-204 139-197Q139-190 144-183L306 133H70Q56 140 56 153 56 168 72 173H327L406 327H72Q56 332 56 347 56 360 70 367H426Q597 702 602 707 605 716 618 716 625 716 630 712T636 703 638 696Q638 692 471 367H707Q722 359 722 347 722 336 708 328L451 327 371 173H708Q722 163 722 153 722 140 707 133H351Q175-210 170-212 166-215 159-215Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:.124ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="0.968ex" role="img" focusable="false" viewBox="0 -483 778 428"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2248" d="M55 319Q55 360 72 393T114 444 163 472 205 482Q207 482 213 482T223 483Q262 483 296 468T393 413L443 381Q502 346 553 346 609 346 649 375T694 454Q694 465 698 474T708 483Q722 483 722 452 722 386 675 338T555 289Q514 289 468 310T388 357 308 404 224 426Q164 426 125 393T83 318Q81 289 69 289 55 289 55 319ZM55 85Q55 126 72 159T114 210 163 238 205 248Q207 248 213 248T223 249Q262 249 296 234T393 179L443 147Q502 112 553 112 609 112 649 141T694 220Q694 249 708 249T722 217Q722 153 675 104T555 55Q514 55 468 76T388 123 308 170 224 192Q164 192 125 159T83 84Q80 55 69 55 55 55 55 85Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.09ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.312ex" role="img" focusable="false" viewBox="0 -540 778 580"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="3E" d="M84 520Q84 528 88 533T96 539L99 540Q106 540 253 471T544 334L687 265Q694 260 694 250T687 235Q685 233 395 96L107-40H101Q83-38 83-20 83-19 83-17 82-10 98-1 117 9 248 71 326 108 378 132L626 250 378 368Q90 504 86 509 84 513 84 520Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.09ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.312ex" role="img" focusable="false" viewBox="0 -540 778 580"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="3C" d="M694-11T694-19 688-33 678-40Q671-40 524 29T234 166L90 235Q83 240 83 250 83 261 91 266 664 540 678 540 681 540 687 534T694 519 687 505Q686 504 417 376L151 250 417 124Q686-4 687-5 694-11 694-19Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> =</td><td>\not=</td><td>\approx</td><td>&gt;</td><td>&lt;</td></tr></tbody></table><table><thead><tr><th> 符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:.081ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="0.968ex" role="img" focusable="false" viewBox="0 -464 778 428"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2261" d="M56 444Q56 457 70 464H707Q722 456 722 444 722 430 706 424H72Q56 429 56 444ZM56 237T56 250 70 270H707Q722 262 722 250T707 230H70Q56 237 56 250ZM56 56Q56 71 72 76H706Q722 70 722 56 722 44 707 36H70Q56 43 56 56Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.312ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.751ex" role="img" focusable="false" viewBox="0 -636 778 774"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2264" d="M674 636Q682 636 688 630T694 615 687 601Q686 600 417 472L151 346 399 228Q687 92 691 87 694 81 694 76 694 58 676 56H670L382 192Q92 329 90 331 83 336 83 348 84 359 96 365 104 369 382 500T665 634Q669 636 674 636ZM84-118Q84-108 99-98H678Q694-104 694-118 694-130 679-138H98Q84-131 84-118Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.312ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.751ex" role="img" focusable="false" viewBox="0 -636 778 774"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2265" d="M83 616Q83 624 89 630T99 636Q107 636 253 568T543 431 687 361Q694 356 694 346T687 331Q685 329 395 192L107 56H101Q83 58 83 76 83 77 83 79 82 86 98 95 117 105 248 167 326 204 378 228L626 346 360 472Q291 505 200 548 112 589 98 597T83 616ZM84-118Q84-108 99-98H678Q694-104 694-118 694-130 679-138H98Q84-131 84-118Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.152ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.437ex" role="img" focusable="false" viewBox="0 -568 1000 635"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="226A" d="M639-48Q639-54 634-60T619-67H618Q612-67 536-26 430 33 329 88 61 235 59 239 56 243 56 250T59 261Q62 266 336 415T615 567L619 568Q622 567 625 567 639 562 639 548 639 540 633 534 632 532 374 391L117 250 374 109Q632-32 633-34 639-40 639-48ZM944-48Q944-54 939-60T924-67H923Q917-67 841-26 735 33 634 88 366 235 364 239 361 243 361 250T364 261Q367 266 641 415T920 567L924 568Q927 567 930 567 944 562 944 548 944 540 938 534 937 532 679 391L422 250 679 109Q937-32 938-34 944-40 944-48Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.152ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.434ex" role="img" focusable="false" viewBox="0 -567 1000 634"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="226B" d="M55 539T55 547 60 561 74 567Q81 567 207 498 297 449 365 412 633 265 636 261 639 255 639 250 639 241 626 232 614 224 365 88 83-65 79-66 76-67 73-67 65-67 60-61T55-47Q55-39 61-33 62-33 95-15T193 39 320 109L321 110H322L323 111H324L325 112 326 113H327L329 114H330L331 115H332L333 116 334 117H335L336 118H337L338 119H339L340 120 341 121H342L343 122H344L345 123H346L347 124 348 125H349L351 126H352L353 127H354L355 128 356 129H357L358 130H359L360 131H361L362 132 363 133H364L365 134H366L367 135H368L369 136H370L371 137 372 138H373L374 139H375L376 140 378 141 576 251Q63 530 62 533 55 539 55 547ZM360 539T360 547 365 561 379 567Q386 567 512 498 602 449 670 412 938 265 941 261 944 255 944 250 944 241 931 232 919 224 670 88 388-65 384-66 381-67 378-67 370-67 365-61T360-47Q360-39 366-33 367-33 400-15T498 39 625 109L626 110H627L628 111H629L630 112 631 113H632L634 114H635L636 115H637L638 116 639 117H640L641 118H642L643 119H644L645 120 646 121H647L648 122H649L650 123H651L652 124 653 125H654L656 126H657L658 127H659L660 128 661 129H662L663 130H664L665 131H666L667 132 668 133H669L670 134H671L672 135H673L674 136H675L676 137 677 138H678L679 139H680L681 140 683 141 881 251Q368 530 367 533 360 539 360 547Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \equiv</td><td>\le</td><td>\ge</td><td>\ll</td><td>\gg</td></tr></tbody></table></div><div class="story post-story"><h2 id="集合"><a href="#集合" class="headerlink" title="集合"></a>集合</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.09ex" xmlns="http://www.w3.org/2000/svg" width="1.509ex" height="1.312ex" role="img" focusable="false" viewBox="0 -540 667 580"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2208" d="M84 250Q84 372 166 450T360 539Q361 539 377 539T419 540 469 540H568Q583 532 583 520 583 511 570 501L466 500Q355 499 329 494 280 482 242 458T183 409 147 354 129 306 124 272V270H568Q583 262 583 250T568 230H124V228Q124 207 134 177T167 112 231 48 328 7Q355 1 466 0H570Q583-10 583-20 583-32 568-40H471Q464-40 446-40T417-41Q262-41 172 45 84 127 84 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.09ex" xmlns="http://www.w3.org/2000/svg" width="1.509ex" height="1.312ex" role="img" focusable="false" viewBox="0 -540 667 580"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="220B" d="M83 520Q83 532 98 540H195Q202 540 220 540T249 541Q404 541 494 455 582 374 582 250 582 165 539 99T434 0 304-39Q297-40 195-40H98Q83-32 83-20 83-10 96 0H200Q311 1 337 6 369 14 401 28 422 39 445 55 484 85 508 127T537 191 542 228V230H98Q84 237 84 250T98 270H542V272Q542 280 539 295T527 336 497 391 445 445Q422 461 401 472 386 479 374 483T347 491 325 495 298 498 273 499 239 500 200 500L96 501Q83 511 83 520Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.09ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.312ex" role="img" focusable="false" viewBox="0 -540 778 580"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2282" d="M84 250Q84 372 166 450T360 539Q361 539 370 539T395 539 430 540 475 540 524 540H679Q694 532 694 520 694 511 681 501L522 500H470 441Q366 500 338 496T266 472Q244 461 224 446T179 404 139 337 124 250V245Q124 157 185 89 244 25 328 7 348 2 366 2T522 0H681Q694-10 694-20 694-32 679-40H526Q510-40 480-40T434-41Q350-41 289-25T172 45Q84 127 84 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.09ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.312ex" role="img" focusable="false" viewBox="0 -540 778 580"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2283" d="M83 520Q83 532 98 540H251Q267 540 297 540T343 541Q427 541 488 525T605 455Q693 374 693 250 693 165 650 99T545 0 415-39Q407-40 251-40H98Q83-32 83-20 83-10 96 0H255 308 337Q412 0 439 4T512 28Q533 39 553 54T599 96 639 163 654 250Q654 341 592 411 557 449 512 472 468 491 439 495T335 500H306 255L96 501Q83 511 83 520Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.312ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.751ex" role="img" focusable="false" viewBox="0 -636 778 774"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2286" d="M84 346Q84 468 166 546T360 635Q361 635 370 635T395 635 430 636 475 636 524 636H679Q694 628 694 616 694 607 681 597L522 596H470 441Q366 596 338 592T266 568Q244 557 224 542T179 500 139 433 124 346V341Q124 253 185 185 244 121 328 103 348 98 366 98T522 96H681Q694 86 694 76 694 64 679 56H526Q510 56 480 56T434 55Q350 55 289 71T172 141Q84 223 84 346ZM104-131T104-118 118-98H679Q694-106 694-118T679-138H118Q104-131 104-118Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.312ex" xmlns="http://www.w3.org/2000/svg" width="1.76ex" height="1.751ex" role="img" focusable="false" viewBox="0 -636 778 774"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2287" d="M83 616Q83 628 98 636H251Q267 636 297 636T343 637Q427 637 488 621T605 551Q693 470 693 346 693 261 650 195T545 96 415 57Q407 56 251 56H98Q83 64 83 76 83 86 96 96H255 308 337Q412 96 439 100T512 124Q533 135 553 150T599 192 639 259 654 346Q654 437 592 507 557 545 512 568 468 587 439 591T335 596H306 255L96 597Q83 607 83 616ZM84-131T84-118 98-98H659Q674-106 674-118T659-138H98Q84-131 84-118Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \in</td><td>\ni</td><td>\subset</td><td>\supset</td><td>\subseteq</td><td>\supseteq</td></tr></tbody></table></div><div class="story post-story"><h2 id="存在"><a href="#存在" class="headerlink" title="存在"></a>存在</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="1.258ex" height="1.57ex" role="img" focusable="false" viewBox="0 -694 556 694"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="2203" d="M56 661T56 674 70 694H487Q497 686 500 679V15Q497 10 487 1L279 0H70Q56 7 56 20T70 40H460V327H84Q70 334 70 347T84 367H460V654H70Q56 661 56 674Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.05ex" xmlns="http://www.w3.org/2000/svg" width="1.258ex" height="1.62ex" role="img" focusable="false" viewBox="0 -694 556 716"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="2200" d="M0 673Q0 684 7 689T20 694Q32 694 38 680T82 567L126 451H430L473 566Q483 593 494 622T512 668 519 685Q524 694 538 694 556 692 556 674 556 670 426 329T293-15Q288-22 278-22T263-15Q260-11 131 328T0 673ZM414 410Q414 411 278 411T142 410L278 55 414 410Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \exists</td><td>\forall</td></tr></tbody></table></div><div class="story post-story"><h2 id="希腊字母"><a href="#希腊字母" class="headerlink" title="希腊字母"></a>希腊字母</h2><p>要输入希腊字母只要用反斜杠 <em><strong>\</strong></em> 加上相应字母的拼写即可。大写字母将对应拼写的首字母大写即可,这里仅列出一部分作为参考。</p><table><thead><tr><th>符号(小写)</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.464ex" xmlns="http://www.w3.org/2000/svg" width="1.348ex" height="2.034ex" role="img" focusable="false" viewBox="0 -694 596 899"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D719" d="M409 688Q413 694 421 694H429 442Q448 688 448 686 448 679 418 563 411 535 404 504T392 458L388 442Q388 441 397 441T429 435 477 418Q521 397 550 357T579 260 548 151 471 65 374 11 279-10H275L251-105Q245-128 238-160 230-192 227-198T215-205H209Q189-205 189-198 189-193 211-103L234-11Q234-10 226-10 221-10 206-8T161 6 107 36 62 89 43 171Q43 231 76 284T157 370 254 422 342 441Q347 441 348 445L378 567Q409 686 409 688ZM122 150Q122 116 134 91T167 53 203 35 237 27H244L337 404Q333 404 326 403T297 395 255 379 211 350 170 304Q152 276 137 237 122 191 122 150ZM500 282Q500 320 484 347T444 385 405 400 381 404H378L332 217 284 29Q284 27 285 27 293 27 317 33T357 47Q400 66 431 100T475 170 494 234 500 282Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="1.407ex" height="1.027ex" role="img" focusable="false" viewBox="0 -443 622 454"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D714" d="M495 384Q495 406 514 424T555 443Q574 443 589 425T604 364Q604 334 592 278T555 155 483 38 377-11Q297-11 267 66 266 68 260 61 201-11 125-11 15-11 15 139 15 230 56 325T123 434Q135 441 147 436 160 429 160 418 160 406 140 379T94 306 62 208Q61 202 61 187 61 124 85 100T143 76Q201 76 245 129L253 137V156Q258 297 317 297 348 297 348 261 348 243 338 213T318 158L308 135Q309 133 310 129T318 115 334 97 358 83 393 76Q456 76 501 148T546 274Q546 305 533 325T508 357 495 384Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.023ex" xmlns="http://www.w3.org/2000/svg" width="1.005ex" height="1.645ex" role="img" focusable="false" viewBox="0 -717 444 727"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D6FF" d="M195 609Q195 656 227 686T302 717Q319 716 351 709T407 697 433 690Q451 682 451 662 451 644 438 628T403 612Q382 612 348 641T288 671 249 657 235 628Q235 584 334 463 401 379 401 292 401 169 340 80T205-10H198Q127-10 83 36T36 153Q36 286 151 382 191 413 252 434 252 435 245 449T230 481 214 521 201 566 195 609ZM112 130Q112 83 136 55T204 27Q233 27 256 51T291 111 309 178 316 232Q316 267 309 298T295 344 269 400L259 396Q215 381 183 342T137 256 118 179 112 130Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.489ex" xmlns="http://www.w3.org/2000/svg" width="1.229ex" height="1.486ex" role="img" focusable="false" viewBox="0 -441 543 657"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D6FE" d="M31 249Q11 249 11 258 11 275 26 304T66 365 129 418 206 441Q233 441 239 440 287 429 318 386T371 255Q385 195 385 170 385 166 386 166L398 193Q418 244 443 300T486 391 508 430Q510 431 524 431H537Q543 425 543 422 543 418 522 378T463 251 391 71Q385 55 378 6T357-100Q341-165 330-190T303-216Q286-216 286-188 286-138 340 32L346 51 347 69Q348 79 348 100 348 257 291 317 251 355 196 355 148 355 108 329T51 260Q49 251 47 251 45 249 31 249Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \phi</td><td>\omega</td><td>\delta</td><td>\gamma</td></tr><tr><td> 符号(大写)</td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="1.633ex" height="1.545ex" role="img" focusable="false" viewBox="0 -683 722 683"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="3A6" d="M312 622Q310 623 307 625T303 629 297 631 286 634 270 635 246 636 211 637H184V683H196Q220 680 361 680T526 683H538V637H511Q468 637 447 635T422 631 411 622V533L425 531Q525 519 595 466T665 342Q665 301 642 267T583 209 506 172 425 152L411 150V61Q417 55 421 53T447 48 511 46H538V0H526Q502 3 361 3T196 0H184V46H211Q231 46 245 46T270 47 286 48 297 51 303 54 307 57 312 61V150H310Q309 151 289 153T232 166 160 195Q149 201 136 210T103 238 69 284 56 342Q56 414 128 467T294 530Q309 532 310 533H312V622ZM170 342Q170 207 307 188H312V495H309Q301 495 282 491T231 469 186 423Q170 389 170 342ZM415 188Q487 199 519 236T551 342Q551 384 539 414T507 459 470 481 434 491 415 495H410V188H415Z"/></g></g></g></svg></mjx-container></td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="1.633ex" height="1.593ex" role="img" focusable="false" viewBox="0 -704 722 704"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="3A9" d="M55 454Q55 503 75 546T127 617 197 665 272 695 337 704H352Q396 704 404 703 527 687 596 615T666 454Q666 392 635 330T559 200 499 83V80H543Q589 81 600 83T617 93Q622 102 629 135T636 172L637 177H677V175L660 89Q645 3 644 2V0H552 488Q461 0 456 3T451 20Q451 89 499 235T548 455Q548 512 530 555T483 622 424 656 361 668Q332 668 303 658T243 626 193 560 174 456Q174 380 222 233T270 20Q270 7 263 0H77V2Q76 3 61 89L44 175V177H84L85 172Q85 171 88 155T96 119 104 93Q109 86 120 84T178 80H222V83Q206 132 162 199T87 329 55 454Z"/></g></g></g></svg></mjx-container></td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="1.885ex" height="1.62ex" role="img" focusable="false" viewBox="0 -716 833 716"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="394" d="M51 0Q46 4 46 7 46 9 215 357T388 709Q391 716 416 716 439 716 444 709 447 705 616 357T786 7Q786 4 781 0H51ZM507 344 384 596 137 92 383 91H630Q630 93 507 344Z"/></g></g></g></svg></mjx-container></td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="1.414ex" height="1.538ex" role="img" focusable="false" viewBox="0 -680 625 680"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="393" d="M128 619Q121 626 117 628T101 631 58 634H25V680H554V676Q556 670 568 560T582 444V440H542V444Q542 445 538 478T523 545 492 598Q454 634 349 634H334Q264 634 249 633T233 621Q232 618 232 339L233 61Q240 54 245 52T270 48 333 46H360V0H348Q324 3 182 3 51 3 36 0H25V46H58Q100 47 109 49T128 61V619Z"/></g></g></g></svg></mjx-container></td></tr><tr><td>语法</td><td> \Phi</td><td>\Omega</td><td>\Delta</td><td>\Gamma</td></tr></tbody></table></div><div class="story post-story"><h2 id="箭头"><a href="#箭头" class="headerlink" title="箭头"></a>箭头</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.181ex" role="img" focusable="false" viewBox="0 -511 1000 522"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2190" d="M944 261T944 250 929 230H165Q167 228 182 216T211 189 244 152 277 96 303 25Q308 7 308 0 308-11 288-11 281-11 278-11T272-7 267 2 263 21Q245 94 195 151T73 236Q58 242 55 247 55 254 59 257T73 264Q121 283 158 314T215 375 247 434 264 480L267 497Q269 503 270 505T275 509 288 511Q308 511 308 500 308 493 303 475 293 438 278 406T246 352 215 315 185 287 165 270H929Q944 261 944 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.181ex" role="img" focusable="false" viewBox="0 -511 1000 522"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2192" d="M56 237T56 250 70 270H835Q719 357 692 493 692 494 692 496T691 499Q691 511 708 511H711Q720 511 723 510T729 506 732 497 735 481 743 456Q765 389 816 336T935 261Q944 258 944 250 944 244 939 241T915 231 877 212Q836 186 806 152T761 85 740 35 732 4Q730-6 727-8T711-11Q691-11 691 0 691 7 696 25 728 151 835 230H70Q56 237 56 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.054ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.242ex" role="img" focusable="false" viewBox="0 -525 1000 549"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="21D0" d="M944 153Q944 140 929 133H318L328 123Q379 69 414 0 419-13 419-17 419-24 399-24 388-24 385-23T377-12Q332 77 253 144T72 237Q62 240 59 242T56 250 59 257 70 262 89 268 119 278 160 296Q303 366 377 512 382 522 385 523T401 525Q419 524 419 515 419 510 414 500 379 431 328 377L318 367H929Q944 359 944 347 944 336 930 328L602 327H274L264 319Q225 289 147 250 148 249 165 241T210 217 264 181L274 173H930Q931 172 933 171T936 169 938 167 941 164 942 162 943 158 944 153Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.054ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.242ex" role="img" focusable="false" viewBox="0 -525 1000 549"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="21D2" d="M580 514Q580 525 596 525 601 525 604 525T609 525 613 524 615 523 617 520 619 517 622 512Q659 438 720 381T831 300 927 263Q944 258 944 250T935 239 898 228 840 204Q696 134 622-12 618-21 615-22T600-24Q580-24 580-17 580-13 585 0 620 69 671 123L681 133H70Q56 140 56 153 56 168 72 173H725L735 181Q774 211 852 250 851 251 834 259T789 283 735 319L725 327H72Q56 332 56 347 56 360 70 367H681L671 377Q638 412 609 458T580 514Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.057ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.247ex" role="img" focusable="false" viewBox="0 -526 1000 551"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="21D4" d="M308 524Q318 526 323 526 340 526 340 514 340 507 336 499 326 476 314 454T292 417 274 391 260 374L255 368Q255 367 500 367 744 367 744 368L739 374Q734 379 726 390T707 416 685 453 663 499Q658 511 658 515 658 525 680 525 687 524 690 523T695 519 701 507Q766 359 902 287 921 276 939 269T961 259 966 250Q966 246 965 244T960 240 949 236 930 228 902 213Q763 137 701-7 697-16 695-19T690-23 680-25Q658-25 658-15 658-11 663 1 673 24 685 46T707 83 725 109 739 126L744 132Q744 133 500 133 255 133 255 132L260 126Q265 121 273 110T292 84 314 47 336 1Q341-11 341-15 341-25 319-25 312-24 309-23T304-19 298-7Q233 141 97 213 83 221 70 227T51 235 41 239 35 243 34 250 35 256 40 261 51 265 70 273 97 287Q235 363 299 509 305 522 308 524ZM792 319 783 327H216Q183 294 120 256L110 250 120 244Q173 212 207 181L216 173H783L792 181Q826 212 879 244L889 250 879 256Q826 288 792 319Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \gets</td><td>\to</td><td>\Leftarrow</td><td>\Rightarrow</td><td>\Leftrightarrow</td></tr></tbody></table></div><div class="story post-story"><h2 id="省略号"><a href="#省略号" class="headerlink" title="省略号"></a>省略号</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="2.652ex" height="0.271ex" role="img" focusable="false" viewBox="0 -120 1172 120"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2026" d="M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0 96 17 78 60ZM525 60Q525 84 542 102T585 120Q609 120 627 104T646 61Q646 36 629 18T586 0 543 17 525 60ZM972 60Q972 84 989 102T1032 120Q1056 120 1074 104T1093 61Q1093 36 1076 18T1033 0 990 17 972 60Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:.43ex" xmlns="http://www.w3.org/2000/svg" width="2.652ex" height="0.271ex" role="img" focusable="false" viewBox="0 -310 1172 120"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="22EF" d="M78 250Q78 274 95 292T138 310Q162 310 180 294T199 251Q199 226 182 208T139 190 96 207 78 250ZM525 250Q525 274 542 292T585 310Q609 310 627 294T646 251Q646 226 629 208T586 190 543 207 525 250ZM972 250Q972 274 989 292T1032 310Q1056 310 1074 294T1093 251Q1093 226 1076 208T1033 190 990 207 972 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.068ex" xmlns="http://www.w3.org/2000/svg" width="0.629ex" height="3.009ex" role="img" focusable="false" viewBox="0 -1300 278 1330"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mo"><path data-c="22EE" d="M78 30Q78 54 95 72T138 90Q162 90 180 74T199 31Q199 6 182-12T139-30 96-13 78 30ZM78 440Q78 464 95 482T138 500Q162 500 180 484T199 441Q199 416 182 398T139 380 96 397 78 440ZM78 840Q78 864 95 882T138 900Q162 900 180 884T199 841Q199 816 182 798T139 780 96 797 78 840Z"/></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:.226ex" xmlns="http://www.w3.org/2000/svg" width="2.9ex" height="3.213ex" role="img" focusable="false" viewBox="0 -1520 1282 1420"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="22F1" d="M133 760Q133 784 150 802T193 820Q217 820 235 804T254 761Q254 736 237 718T194 700 151 717 133 760ZM580 460Q580 484 597 502T640 520Q664 520 682 504T701 461Q701 436 684 418T641 400 598 417 580 460ZM1027 160Q1027 184 1044 202T1087 220Q1111 220 1129 204T1148 161Q1148 136 1131 118T1088 100 1045 117 1027 160Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \dots</td><td>\cdots</td><td>\vdots</td><td>\ddots</td></tr></tbody></table></div><div class="story post-story"><h2 id="头顶符号"><a href="#头顶符号" class="headerlink" title="头顶符号"></a>头顶符号</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="1.294ex" height="1.857ex" role="img" focusable="false" viewBox="0 -810 572 821"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mover"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(313.8,16) translate(-250 0)"><path data-c="5E" d="M112 560 249 694 257 686Q387 562 387 560L361 531Q359 532 303 581L250 627 195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z"/></g></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="1.294ex" height="1.593ex" role="img" focusable="false" viewBox="0 -693 572 704"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mover"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(313.8,3) translate(-250 0)"><path data-c="AF" d="M69 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26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(313.8,31) translate(-250 0)"><path data-c="20D7" d="M377 694Q377 702 382 708T397 714Q404 714 409 709 414 705 419 690 429 653 460 633 471 626 471 615 471 606 468 603T454 594Q411 572 379 531 377 529 374 525T369 519 364 517 357 516Q350 516 344 521T337 536Q337 555 384 595H213L42 596Q29 605 29 615 29 622 42 635H401Q377 673 377 694Z"/></g></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="1.294ex" height="1.76ex" role="img" focusable="false" viewBox="0 -767 572 778"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mover"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(313.8,-2) translate(-250 0)"><path data-c="2D9" d="M190 609Q190 637 208 653T252 669Q275 667 292 652T309 609Q309 579 292 564T250 549Q225 549 208 564T190 609Z"/></g></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="1.294ex" height="1.749ex" role="img" focusable="false" viewBox="0 -762 572 773"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mover"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(313.8,-7) translate(-250 0)"><path data-c="A8" d="M95 612Q95 633 112 651T153 669 193 652 210 612Q210 588 194 571T152 554L127 560Q95 577 95 612ZM289 611Q289 634 304 649T335 668Q336 668 340 668T346 669Q369 669 386 652T404 612 387 572 346 554Q323 554 306 570T289 611Z"/></g></g></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \hat{x}</td><td>\bar{x}</td><td>\vec{x}</td><td>\dot{x}</td><td>\ddot{x}</td></tr></tbody></table></div><div class="story post-story"><h2 id="标准括号"><a href="#标准括号" class="headerlink" title="标准括号"></a>标准括号</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="0.88ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 389 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="28" d="M94 250Q94 319 104 381T127 488 164 576 202 643 244 695 277 729 302 750H315 319Q333 750 333 741 333 738 316 720T275 667 226 581 184 443 167 250 184 58 225-81 274-167 316-220 333-241Q333-250 318-250H315 302L274-226Q180-141 137-14T94 250Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="0.88ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 389 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="0.629ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 278 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="5B" d="M118-250V750H255V710H158V-210H255V-250H118Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="0.629ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 278 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="5D" d="M22 710V750H159V-250H22V-210H119V710H22Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> (</td><td>)</td><td>[</td><td>]</td></tr></tbody></table></div><div class="story post-story"><h2 id="取整括号(函数)"><a href="#取整括号(函数)" class="headerlink" title="取整括号(函数)"></a>取整括号(函数)</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="1.005ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 444 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="230A" d="M174 734Q174 735 175 737T177 740 180 744 184 747 189 749 196 750Q206 748 214 735V-210H310 373Q401-210 411-213T422-230 411-247 369-251Q362-251 338-251T298-250H190Q178-246 174-234V734Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="1.005ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 444 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="230B" d="M229 734Q229 735 230 737T232 740 235 744 239 747 244 749 251 750Q262 748 269 735V-235Q266-240 256-249L147-250H77Q43-250 32-247T21-230 32-213 72-209Q79-209 99-209T133-210H229V734Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="1.005ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 444 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2308" d="M174 734Q178 746 190 750H298 369Q400 750 411 747T422 730 411 713 372 709Q365 709 345 709T310 710H214V-235Q206-248 196-250 192-250 189-249T184-247 180-244 178-241 176-237 174-234V734Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="1.005ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 444 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2309" d="M21 717T21 730 32 746 75 750H147 256Q266 742 269 735V-235Q262-248 251-250 247-250 244-249T239-247 235-244 233-241 231-237 229-234V710H133Q119 710 99 710T71 709Q43 709 32 713Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \lfloor</td><td>\rfloor</td><td>\lceil</td><td>\rceil</td></tr></tbody></table></div><div class="story post-story"><h2 id="空格"><a href="#空格" class="headerlink" title="空格"></a>空格</h2><p>LaTex 默认会忽略掉空格,要显示空格的话需要自己用命令输入(mu 是一个数学单位)。</p><table><thead><tr><th>效果</th><th>说明</th><th>语法</th></tr></thead><tbody><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="5.4ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 2387 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mstyle" transform="translate(529,0)"><g data-mml-node="mspace"/></g><g data-mml-node="mi" transform="translate(1529,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(1958,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td>空格宽度是当前字宽 (18mu)</td><td>\quad</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="3.516ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 1554 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mstyle" transform="translate(529,0)"><g data-mml-node="mspace"/></g><g data-mml-node="mi" transform="translate(696,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(1125,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td> 空格宽度是 3mu</td><td>\,</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="3.64ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 1609 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mstyle" transform="translate(529,0)"><g data-mml-node="mspace"/></g><g data-mml-node="mi" transform="translate(751,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(1180,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td> 空格宽度是 4mu</td><td>\:</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="3.767ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 1665 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mstyle" transform="translate(529,0)"><g data-mml-node="mspace"/></g><g data-mml-node="mi" transform="translate(807,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(1236,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td> 空格宽度是 5mu</td><td>\;</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.76ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 1220 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mstyle" transform="translate(529,0)"><g data-mml-node="mspace"/></g><g data-mml-node="mi" transform="translate(362,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(791,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td> 空格宽度是 - 3mu (向左缩)</td><td>\!</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="3.704ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 1637 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mtext" transform="translate(529,0)"><path data-c="A0" d=""/></g><g data-mml-node="mi" transform="translate(779,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(1208,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td> 空格宽度是标准空格键效果</td><td>在 \ 后面敲一个空格</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="7.663ex" height="1.595ex" role="img" focusable="false" viewBox="0 -694 3387 705"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mstyle" transform="translate(529,0)"><g data-mml-node="mspace"/></g><g data-mml-node="mi" transform="translate(2529,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(2958,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g></g></g></svg></mjx-container></td><td>空格宽度是 36mu</td><td>\qquad</td></tr></tbody></table></div><div class="story post-story"><h2 id="上标与下标"><a href="#上标与下标" class="headerlink" title="上标与下标"></a>上标与下标</h2><p>使用 <strong>^</strong> 和 <strong>_</strong> 来表示上下标,使用 <strong>{}</strong> 来限定上下标的所属关系,下面是一些使用示例。</p><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.034ex" height="1.904ex" role="img" focusable="false" viewBox="0 -830.4 899 841.4"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mi" transform="translate(605,363) scale(0.707)"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.357ex" xmlns="http://www.w3.org/2000/svg" width="1.937ex" height="1.355ex" role="img" focusable="false" viewBox="0 -441 856 598.8"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mi" transform="translate(562,-150) scale(0.707)"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.851ex" height="1.552ex" role="img" focusable="false" viewBox="0 -674.8 1260.2 685.8"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="TeXAtom" transform="translate(605,363) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="msub"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mi" transform="translate(562,-150) scale(0.707)"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g></g></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.677ex" xmlns="http://www.w3.org/2000/svg" width="2.328ex" height="2.204ex" role="img" focusable="false" viewBox="0 -674.8 1029.1 974.1"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msubsup"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mi" transform="translate(605,363) scale(0.707)"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mi" transform="translate(605,-291.5) scale(0.707)"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.851ex" height="2.175ex" role="img" focusable="false" viewBox="0 -950.2 1260.2 961.2"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="TeXAtom" transform="translate(605,363) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mi" transform="translate(562,363) scale(0.707)"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g></g></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.471ex" xmlns="http://www.w3.org/2000/svg" width="4.078ex" height="1.471ex" role="img" focusable="false" viewBox="0 -442 1802.6 650"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="TeXAtom" transform="translate(605,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g><g data-mml-node="mo" transform="translate(345,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mn" transform="translate(1123,0)"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g></g></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> x^i</td><td>a_i</td><td>x^{a_i}</td><td>x^a_i</td><td>x^{a^i}</td><td>x_{i+1}</td></tr></tbody></table></div><div class="story post-story"><h2 id="上划线下划线"><a href="#上划线下划线" class="headerlink" title="上划线下划线"></a>上划线下划线</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.186ex" xmlns="http://www.w3.org/2000/svg" width="5.714ex" height="2.473ex" role="img" focusable="false" viewBox="0 -1011 2525.4 1093"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mover"><g data-mml-node="mrow"><g data-mml-node="mi"><path data-c="1D44E" d="M33 157Q33 258 109 349T280 441Q331 441 370 392 386 422 416 422 429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487Q506 153 506 144 506 138 501 117T481 63 449 13Q436 0 417-8 409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157ZM351 328Q351 334 346 350T323 385 277 405Q242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z"/></g><g data-mml-node="mo" transform="translate(751.2,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mi" transform="translate(1751.4,0)"><path data-c="1D44F" d="M73 647Q73 657 77 670T89 683Q90 683 161 688T234 694Q246 694 246 685T212 542Q204 508 195 472T180 418L176 399Q176 396 182 402 231 442 283 442 345 442 383 396T422 280Q422 169 343 79T173-11Q123-11 82 27T40 150V159Q40 180 48 217T97 414Q147 611 147 623T109 637Q104 637 101 637H96Q86 637 83 637T76 640 73 647ZM336 325V331Q336 405 275 405 258 405 240 397T207 376 181 352 163 330L157 322 136 236Q114 150 114 114 114 66 138 42 154 26 178 26 211 26 245 58 270 81 285 114T318 219Q336 291 336 325Z"/></g><g data-mml-node="mi" transform="translate(2180.4,0)"><path data-c="1D456" d="M184 600Q184 624 203 642T247 661Q265 661 277 649T290 619Q290 596 270 577T226 557Q211 557 198 567T184 600ZM21 287Q21 295 30 318T54 369 98 420 158 442Q197 442 223 419T250 357Q250 340 236 301T196 196 154 83Q149 61 149 51 149 26 166 26 175 26 185 29T208 43 235 78 260 137Q263 149 265 151T282 153Q302 153 302 143 302 135 293 112T268 61 223 11 161-11Q129-11 102 10T74 74Q74 91 79 106T122 220Q160 321 166 341T173 380Q173 404 156 404H154Q124 404 99 371T61 287Q60 286 59 284T58 281 56 279 53 278 49 278 41 278H27Q21 284 21 287Z"/></g></g><g data-mml-node="mo" transform="translate(0,626)"><svg width="2525.4" height="237" x="0" y="148" viewBox="631.4 148 2525.4 237"><path data-c="2013" d="M0 248V285H499V248H0Z" transform="scale(7.576,1)"/></svg></g></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-1.181ex" xmlns="http://www.w3.org/2000/svg" width="3.455ex" height="2.181ex" role="img" focusable="false" viewBox="0 -442 1527 964"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="munder"><g data-mml-node="mrow"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mi" transform="translate(572,0)"><path data-c="1D466" d="M21 287Q21 301 36 335T84 406 158 442Q199 442 224 419T250 355Q248 336 247 334 247 331 231 288T198 191 182 105Q182 62 196 45T238 27Q261 27 281 38T312 61 339 94Q339 95 344 114T358 173 377 247Q415 397 419 404 432 431 462 431 475 431 483 424T494 412 496 403Q496 390 447 193T391-23Q363-106 294-155T156-205Q111-205 77-183T43-117Q43-95 50-80T69-58 89-48 106-45Q150-45 150-87 150-107 138-122T115-142 102-147L99-148Q101-153 118-160T152-167H160Q177-167 186-165 219-156 247-127T290-65 313-9 321 21L315 17Q309 13 296 6T270-6Q250-11 231-11 185-11 150 11T104 82Q103 89 103 113 103 170 138 262T173 379Q173 380 173 381 173 390 173 393T169 400 158 404H154Q131 404 112 385T82 344 65 302 57 280Q55 278 41 278H27Q21 284 21 287Z"/></g><g data-mml-node="mi" transform="translate(1062,0)"><path data-c="1D467" d="M347 338Q337 338 294 349T231 360Q211 360 197 356T174 346 162 335 155 324L153 320Q150 317 138 317 117 317 117 325 117 330 120 339 133 378 163 406T229 440Q241 442 246 442 271 442 291 425T329 392 367 375Q389 375 411 408T434 441Q435 442 449 442H462Q468 436 468 434 468 430 463 420T449 399 432 377 418 358L411 349Q368 298 275 214T160 106L148 94 163 93Q185 93 227 82T290 71Q328 71 360 90T402 140Q406 149 409 151T424 153Q443 153 443 143 443 138 442 134 425 72 376 31T278-11Q252-11 232 6T193 40 155 57Q111 57 76-3 70-11 59-11H54 41Q35-5 35-2 35 13 93 84 132 129 225 214T340 322Q352 338 347 338Z"/></g></g><g data-mml-node="mo" transform="translate(0,-670)"><svg width="1527" height="237" x="0" y="148" viewBox="381.7 148 1527 237"><path data-c="2013" d="M0 248V285H499V248H0Z" transform="scale(4.581,1)"/></svg></g></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \overline{a+bi}</td><td>\underline{xyz}</td></tr></tbody></table></div><div class="story post-story"><h2 id="分式"><a href="#分式" class="headerlink" title="分式"></a>分式</h2><p>分式有两种尺寸表示,分别用 <strong>frac</strong> 和 <strong>dfrac</strong> 关键字表示</p><table><thead><tr><th>尺寸</th><th>较小</th><th>较小</th><th>适中</th><th>适中</th></tr></thead><tbody><tr><td>符号</td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.781ex" xmlns="http://www.w3.org/2000/svg" width="1.795ex" height="2.737ex" role="img" focusable="false" viewBox="0 -864.9 793.6 1209.9"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mfrac"><g data-mml-node="mn" transform="translate(220,394) scale(0.707)"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mn" transform="translate(220,-345) scale(0.707)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><rect width="553.6" height="60" x="120" y="220"/></g></g></g></svg></mjx-container></td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.912ex" xmlns="http://www.w3.org/2000/svg" width="4.755ex" height="3.629ex" role="img" focusable="false" viewBox="0 -1201.1 2101.7 1604"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mfrac"><g data-mml-node="mrow" transform="translate(300.4,589.5) scale(0.707)"><g data-mml-node="mn"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mo" transform="translate(500,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mfrac" transform="translate(1278,0)"><g data-mml-node="mn" transform="translate(245.5,394) scale(0.707)"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mi" transform="translate(220,-345) scale(0.707)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><rect width="604.5" height="60" x="120" y="220"/></g></g><g data-mml-node="mrow" transform="translate(220,-345) scale(0.707)"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664 351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336 375 315Q457 262 457 175 457 96 395 37T238-22Q158-22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94 148 82 136 74 126 70 118 67L114 66Q165 21 238 21 293 21 321 74 338 107 338 175V195Q338 290 274 322 259 328 213 329L171 330 168 332Q166 335 166 348 166 366 174 366 202 366 232 371 266 376 294 413T322 525V533Q322 590 287 612 265 626 240 626 208 626 181 615T143 592 132 580H135Q138 579 143 578T153 573 165 566 175 555 183 540 186 520Q186 498 172 481T127 463Z"/></g><g data-mml-node="mi" transform="translate(500,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(1072,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mn" transform="translate(1850,0)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g></g><rect width="1861.7" height="60" x="120" y="220"/></g></g></g></svg></mjx-container></td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-1.552ex" xmlns="http://www.w3.org/2000/svg" width="2.127ex" height="4.588ex" role="img" focusable="false" viewBox="0 -1342 940 2028"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mstyle"><g data-mml-node="mfrac"><g data-mml-node="mn" transform="translate(220,676)"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mn" transform="translate(220,-686)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><rect width="700" height="60" x="120" y="220"/></g></g></g></g></svg></mjx-container></td><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-1.738ex" xmlns="http://www.w3.org/2000/svg" width="7.318ex" height="5.533ex" role="img" focusable="false" viewBox="0 -1677.7 3234.4 2445.7"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mstyle"><g data-mml-node="mfrac"><g data-mml-node="mrow" transform="translate(333.8,812.8)"><g data-mml-node="mn"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mo" transform="translate(722.2,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mfrac" transform="translate(1722.4,0)"><g data-mml-node="mn" transform="translate(245.5,394) scale(0.707)"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mi" transform="translate(220,-345) scale(0.707)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><rect width="604.5" height="60" x="120" y="220"/></g></g><g data-mml-node="mrow" transform="translate(220,-686)"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664 351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336 375 315Q457 262 457 175 457 96 395 37T238-22Q158-22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94 148 82 136 74 126 70 118 67L114 66Q165 21 238 21 293 21 321 74 338 107 338 175V195Q338 290 274 322 259 328 213 329L171 330 168 332Q166 335 166 348 166 366 174 366 202 366 232 371 266 376 294 413T322 525V533Q322 590 287 612 265 626 240 626 208 626 181 615T143 592 132 580H135Q138 579 143 578T153 573 165 566 175 555 183 540 186 520Q186 498 172 481T127 463Z"/></g><g data-mml-node="mi" transform="translate(500,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(1294.2,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mn" transform="translate(2294.4,0)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g></g><rect width="2994.4" height="60" x="120" y="220"/></g></g></g></g></svg></mjx-container></td></tr><tr><td>语法</td><td> \frac{1}{2}</td><td>\frac{1+\frac{1}{x}}{3x + 2}</td><td>\dfrac{1}{2}</td><td>\dfrac{1+\frac{1}{x}}{3x + 2}</td></tr></tbody></table><p>连续嵌套使用时用:<strong>\cfrac</strong></p><table><thead><tr><th>符号显示</th><th>语法</th></tr></thead><tbody><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.781ex" xmlns="http://www.w3.org/2000/svg" width="8.196ex" height="5.467ex" role="img" focusable="false" viewBox="0 -2071.5 3622.8 2416.5"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mfrac"><g data-mml-node="mrow" transform="translate(220,1459.9) scale(0.707)"><g data-mml-node="mn"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mo" transform="translate(500,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mfrac" transform="translate(1278,0)"><g data-mml-node="mn" transform="translate(1434.8,394) scale(0.707)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><g data-mml-node="mrow" transform="translate(220,-589.5) scale(0.707)"><g data-mml-node="mn"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mo" transform="translate(500,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mfrac" transform="translate(1278,0)"><g data-mml-node="mn" transform="translate(1079,394)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><g data-mml-node="mrow" transform="translate(220,-900)"><g data-mml-node="mn"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mo" transform="translate(500,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mfrac" transform="translate(1278,0)"><g data-mml-node="mn" transform="translate(220,394)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><g data-mml-node="mn" transform="translate(220,-506)"><path data-c="31" d="M213 578 200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><rect width="700" height="60" x="120" y="220"/></g></g><rect width="2418" height="60" x="120" y="220"/></g></g><rect width="2983.2" height="60" x="120" y="220"/></g></g><g data-mml-node="mn" transform="translate(1634.6,-345) scale(0.707)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><rect width="3382.8" height="60" x="120" y="220"/></g></g></g></svg></mjx-container></td><td> \cfrac{1+\cfrac{2}{1+\cfrac{2}{1+\cfrac{2}{1}}}}{2}</td></tr></tbody></table></div><div class="story post-story"><h2 id="根式"><a href="#根式" class="headerlink" title="根式"></a>根式</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.551ex" xmlns="http://www.w3.org/2000/svg" width="7.098ex" height="2.398ex" role="img" focusable="false" viewBox="0 -816.5 3137.4 1060"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msqrt"><g transform="translate(853,0)"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(794.2,0)"><path data-c="2B" d="M56 237T56 250 70 270H369V420L370 570Q380 583 389 583 402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401-82 391-82H389 387Q375-82 369-68V230H70Q56 237 56 250Z"/></g><g data-mml-node="mi" transform="translate(1794.4,0)"><path data-c="1D466" d="M21 287Q21 301 36 335T84 406 158 442Q199 442 224 419T250 355Q248 336 247 334 247 331 231 288T198 191 182 105Q182 62 196 45T238 27Q261 27 281 38T312 61 339 94Q339 95 344 114T358 173 377 247Q415 397 419 404 432 431 462 431 475 431 483 424T494 412 496 403Q496 390 447 193T391-23Q363-106 294-155T156-205Q111-205 77-183T43-117Q43-95 50-80T69-58 89-48 106-45Q150-45 150-87 150-107 138-122T115-142 102-147L99-148Q101-153 118-160T152-167H160Q177-167 186-165 219-156 247-127T290-65 313-9 321 21L315 17Q309 13 296 6T270-6Q250-11 231-11 185-11 150 11T104 82Q103 89 103 113 103 170 138 262T173 379Q173 380 173 381 173 390 173 393T169 400 158 404H154Q131 404 112 385T82 344 65 302 57 280Q55 278 41 278H27Q21 284 21 287Z"/></g></g><g data-mml-node="mo" transform="translate(0,-43.5)"><path data-c="221A" d="M95 178Q89 178 81 186T72 200 103 230 169 280 207 309Q209 311 212 311H213Q219 311 227 294T281 177Q300 134 312 108L397-77Q398-77 501 136T707 565 814 786Q820 800 834 800 841 800 846 794T853 782V776L620 293 385-193Q381-200 366-200 357-200 354-197 352-195 256 15L160 225 144 214Q129 202 113 190T95 178Z"/></g><rect width="2284.4" height="60" x="853" y="696.5"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.491ex" xmlns="http://www.w3.org/2000/svg" width="3.224ex" height="2.398ex" role="img" focusable="false" viewBox="0 -843 1425 1060"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msqrt"><g transform="translate(853,0)"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g><g data-mml-node="mo" transform="translate(0,-17)"><path data-c="221A" d="M95 178Q89 178 81 186T72 200 103 230 169 280 207 309Q209 311 212 311H213Q219 311 227 294T281 177Q300 134 312 108L397-77Q398-77 501 136T707 565 814 786Q820 800 834 800 841 800 846 794T853 782V776L620 293 385-193Q381-200 366-200 357-200 354-197 352-195 256 15L160 225 144 214Q129 202 113 190T95 178Z"/></g><rect width="572" height="60" x="853" y="723"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.491ex" xmlns="http://www.w3.org/2000/svg" width="3.224ex" height="2.398ex" role="img" focusable="false" viewBox="0 -843 1425 1060"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mroot"><g><g data-mml-node="mi" transform="translate(853,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g><g data-mml-node="mi" transform="translate(211.8,338.5) scale(0.5)"><path data-c="1D45B" d="M21 287Q22 293 24 303T36 341 56 388 89 425 135 442Q171 442 195 424T225 390 231 369Q231 367 232 367L243 378Q304 442 382 442 436 442 469 415T503 336 465 179 427 52Q427 26 444 26 450 26 453 27 482 32 505 65T540 145Q542 153 560 153 580 153 580 145 580 144 576 130 568 101 554 73T508 17 439-10Q392-10 371 17T350 73Q350 92 386 193T423 345Q423 404 379 404H374Q288 404 229 303L222 291 189 157Q156 26 151 16 138-11 108-11 95-11 87-5T76 7 74 17Q74 30 112 180T152 343Q153 348 153 366 153 405 129 405 91 405 66 305 60 285 60 284 58 278 41 278H27Q21 284 21 287Z"/></g><g data-mml-node="mo" transform="translate(0,-17)"><path data-c="221A" d="M95 178Q89 178 81 186T72 200 103 230 169 280 207 309Q209 311 212 311H213Q219 311 227 294T281 177Q300 134 312 108L397-77Q398-77 501 136T707 565 814 786Q820 800 834 800 841 800 846 794T853 782V776L620 293 385-193Q381-200 366-200 357-200 354-197 352-195 256 15L160 225 144 214Q129 202 113 190T95 178Z"/></g><rect width="572" height="60" x="853" y="723"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \sqrt{x+y}</td><td>\sqrt{x}</td><td>\sqrt[n]{x}</td></tr></tbody></table></div><div class="story post-story"><h2 id="三角函数"><a href="#三角函数" class="headerlink" title="三角函数"></a>三角函数</h2><p>直接反斜杠 <strong>\</strong> 加正常书写的符号即可,这里只列举几个。</p><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="3.027ex" height="1.038ex" role="img" focusable="false" viewBox="0 -448 1338 459"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="63" d="M370 305T349 305 313 320 297 358Q297 381 312 396 317 401 317 402T307 404Q281 408 258 408 209 408 178 376 131 329 131 219 131 137 162 90 203 29 272 29 313 29 338 55T374 117Q376 125 379 127T395 129H409Q415 123 415 120 415 116 411 104T395 71 366 33 318 2 249-11Q163-11 99 53T34 214Q34 318 99 383T250 448 370 421 404 357Q404 334 387 320Z"/><path data-c="6F" d="M28 214Q28 309 93 378T250 448Q340 448 405 380T471 215Q471 120 407 55T250-10Q153-10 91 57T28 214ZM250 30Q372 30 372 193V225 250Q372 272 371 288T364 326 348 362 317 390 268 410Q263 411 252 411 222 411 195 399 152 377 139 338T126 246V226Q126 130 145 91 177 30 250 30Z" transform="translate(444,0)"/><path data-c="73" d="M295 316Q295 356 268 385T190 414Q154 414 128 401 98 382 98 349 97 344 98 336T114 312 157 287Q175 282 201 278T245 269 277 256Q294 248 310 236T342 195 359 133Q359 71 321 31T198-10H190Q138-10 94 26L86 19 77 10Q71 4 65-1L54-11H46 42Q39-11 33-5V74 132Q33 153 35 157T45 162H54Q66 162 70 158T75 146 82 119 101 77Q136 26 198 26 295 26 295 104 295 133 277 151 257 175 194 187T111 210Q75 227 54 256T33 318Q33 357 50 384T93 424 143 442 187 447H198Q238 447 268 432L283 424 292 431Q302 440 314 448H322 326Q329 448 335 442V310L329 304H301Q295 310 295 316Z" transform="translate(944,0)"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.778ex" height="1.538ex" role="img" focusable="false" viewBox="0 -669 1228 680"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="73" d="M295 316Q295 356 268 385T190 414Q154 414 128 401 98 382 98 349 97 344 98 336T114 312 157 287Q175 282 201 278T245 269 277 256Q294 248 310 236T342 195 359 133Q359 71 321 31T198-10H190Q138-10 94 26L86 19 77 10Q71 4 65-1L54-11H46 42Q39-11 33-5V74 132Q33 153 35 157T45 162H54Q66 162 70 158T75 146 82 119 101 77Q136 26 198 26 295 26 295 104 295 133 277 151 257 175 194 187T111 210Q75 227 54 256T33 318Q33 357 50 384T93 424 143 442 187 447H198Q238 447 268 432L283 424 292 431Q302 440 314 448H322 326Q329 448 335 442V310L329 304H301Q295 310 295 316Z"/><path data-c="69" d="M69 609Q69 637 87 653T131 669Q154 667 171 652T188 609Q188 579 171 564T129 549Q104 549 87 564T69 609ZM247 0Q232 3 143 3 132 3 106 3T56 1L34 0H26V46H42Q70 46 91 49 100 53 102 60T104 102V205 293Q104 345 102 359T88 378Q74 385 41 385H30V408Q30 431 32 431L42 432Q52 433 70 434T106 436Q123 437 142 438T171 441 182 442H185V62Q190 52 197 50T232 46H255V0H247Z" transform="translate(394,0)"/><path data-c="6E" d="M41 46H55Q94 46 102 60V68Q102 77 102 91T102 122 103 161 103 203Q103 234 103 269T102 328V351Q99 370 88 376T43 385H25V408Q25 431 27 431L37 432Q47 433 65 434T102 436Q119 437 138 438T167 441 178 442H181V402Q181 364 182 364T187 369 199 384 218 402 247 421 285 437Q305 442 336 442 450 438 463 329 464 322 464 190V104Q464 66 466 59T477 49Q498 46 526 46H542V0H534L510 1Q487 2 460 2T422 3Q319 3 310 0H302V46H318Q379 46 379 62 380 64 380 200 379 335 378 343 372 371 358 385T334 402 308 404Q263 404 229 370 202 343 195 315T187 232V168 108Q187 78 188 68T191 55 200 49Q221 46 249 46H265V0H257L234 1Q210 2 183 2T145 3Q42 3 33 0H25V46H41Z" transform="translate(672,0)"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="6.05ex" height="1.038ex" role="img" focusable="false" viewBox="0 -448 2674 459"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="61" d="M137 305T115 305 78 320 63 359Q63 394 97 421T218 448Q291 448 336 416T396 340Q401 326 401 309T402 194V124Q402 76 407 58T428 40Q443 40 448 56T453 109V145H493V106Q492 66 490 59 481 29 455 12T400-6 353 12 329 54V58L327 55Q325 52 322 49T314 40 302 29 287 17 269 6 247-2 221-8 190-11Q130-11 82 20T34 107Q34 128 41 147T68 188 116 225 194 253 304 268H318V290Q318 324 312 340 290 411 215 411 197 411 181 410T156 406 148 403Q170 388 170 359 170 334 154 320ZM126 106Q126 75 150 51T209 26Q247 26 276 49T315 109Q317 116 318 175 318 233 317 233 309 233 296 232T251 223 193 203 147 166 126 106Z"/><path data-c="72" d="M36 46H50Q89 46 97 60V68Q97 77 97 91T98 122 98 161 98 203Q98 234 98 269T98 328L97 351Q94 370 83 376T38 385H20V408Q20 431 22 431L32 432Q42 433 60 434T96 436Q112 437 131 438T160 441 171 442H174V373Q213 441 271 441H277Q322 441 343 419T364 373Q364 352 351 337T313 322Q288 322 276 338T263 372Q263 381 265 388T270 400 273 405Q271 407 250 401 234 393 226 386 179 341 179 207V154Q179 141 179 127T179 101 180 81 180 66V61Q181 59 183 57T188 54 193 51 200 49 207 48 216 47 225 47 235 46 245 46H276V0H267Q249 3 140 3 37 3 28 0H20V46H36Z" transform="translate(500,0)"/><path data-c="63" d="M370 305T349 305 313 320 297 358Q297 381 312 396 317 401 317 402T307 404Q281 408 258 408 209 408 178 376 131 329 131 219 131 137 162 90 203 29 272 29 313 29 338 55T374 117Q376 125 379 127T395 129H409Q415 123 415 120 415 116 411 104T395 71 366 33 318 2 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71 321 31T198-10H190Q138-10 94 26L86 19 77 10Q71 4 65-1L54-11H46 42Q39-11 33-5V74 132Q33 153 35 157T45 162H54Q66 162 70 158T75 146 82 119 101 77Q136 26 198 26 295 26 295 104 295 133 277 151 257 175 194 187T111 210Q75 227 54 256T33 318Q33 357 50 384T93 424 143 442 187 447H198Q238 447 268 432L283 424 292 431Q302 440 314 448H322 326Q329 448 335 442V310L329 304H301Q295 310 295 316Z" transform="translate(2280,0)"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \cos</td><td>\sin</td><td>\arccos</td></tr></tbody></table><table><thead><tr><th> 符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.186ex" xmlns="http://www.w3.org/2000/svg" width="18.037ex" height="2.147ex" role="img" focusable="false" viewBox="0 -867 7972.4 949"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="63" d="M370 305T349 305 313 320 297 358Q297 381 312 396 317 401 317 402T307 404Q281 408 258 408 209 408 178 376 131 329 131 219 131 137 162 90 203 29 272 29 313 29 338 55T374 117Q376 125 379 127T395 129H409Q415 123 415 120 415 116 411 104T395 71 366 33 318 2 249-11Q163-11 99 53T34 214Q34 318 99 383T250 448 370 421 404 357Q404 334 387 320Z"/><path data-c="6F" d="M28 214Q28 309 93 378T250 448Q340 448 405 380T471 215Q471 120 407 55T250-10Q153-10 91 57T28 214ZM250 30Q372 30 372 193V225 250Q372 272 371 288T364 326 348 362 317 390 268 410Q263 411 252 411 222 411 195 399 152 377 139 338T126 246V226Q126 130 145 91 177 30 250 30Z" transform="translate(444,0)"/><path data-c="73" d="M295 316Q295 356 268 385T190 414Q154 414 128 401 98 382 98 349 97 344 98 336T114 312 157 287Q175 282 201 278T245 269 277 256Q294 248 310 236T342 195 359 133Q359 71 321 31T198-10H190Q138-10 94 26L86 19 77 10Q71 4 65-1L54-11H46 42Q39-11 33-5V74 132Q33 153 35 157T45 162H54Q66 162 70 158T75 146 82 119 101 77Q136 26 198 26 295 26 295 104 295 133 277 151 257 175 194 187T111 210Q75 227 54 256T33 318Q33 357 50 384T93 424 143 442 187 447H198Q238 447 268 432L283 424 292 431Q302 440 314 448H322 326Q329 448 335 442V310L329 304H301Q295 310 295 316Z" transform="translate(944,0)"/></g><g data-mml-node="mn" transform="translate(1371,363) scale(0.707)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g></g><g data-mml-node="mo" transform="translate(1774.6,0)"><path data-c="2061" d=""/></g><g data-mml-node="mi" transform="translate(1941.2,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 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209 408 178 376 131 329 131 219 131 137 162 90 203 29 272 29 313 29 338 55T374 117Q376 125 379 127T395 129H409Q415 123 415 120 415 116 411 104T395 71 366 33 318 2 249-11Q163-11 99 53T34 214Q34 318 99 383T250 448 370 421 404 357Q404 334 387 320Z"/><path data-c="6F" d="M28 214Q28 309 93 378T250 448Q340 448 405 380T471 215Q471 120 407 55T250-10Q153-10 91 57T28 214ZM250 30Q372 30 372 193V225 250Q372 272 371 288T364 326 348 362 317 390 268 410Q263 411 252 411 222 411 195 399 152 377 139 338T126 246V226Q126 130 145 91 177 30 250 30Z" transform="translate(444,0)"/><path data-c="73" d="M295 316Q295 356 268 385T190 414Q154 414 128 401 98 382 98 349 97 344 98 336T114 312 157 287Q175 282 201 278T245 269 277 256Q294 248 310 236T342 195 359 133Q359 71 321 31T198-10H190Q138-10 94 26L86 19 77 10Q71 4 65-1L54-11H46 42Q39-11 33-5V74 132Q33 153 35 157T45 162H54Q66 162 70 158T75 146 82 119 101 77Q136 26 198 26 295 26 295 104 295 133 277 151 257 175 194 187T111 210Q75 227 54 256T33 318Q33 357 50 384T93 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16T301-15 250-22Q224-22 198-16T137 16 82 83Q39 165 39 320 39 494 96 585ZM321 597Q291 629 250 629 208 629 178 597 153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16 290 16 318 46 347 76 354 130T362 333Q362 478 354 524T321 597Z" transform="translate(500,0)"/></g><g data-mml-node="mo" transform="translate(1033,393.1) scale(0.707)"><path data-c="2218" d="M55 251Q55 328 112 386T249 444 386 388 444 249Q444 171 388 113T250 55Q170 55 113 112T55 251ZM245 403Q188 403 142 361T96 250Q96 183 141 140T250 96Q284 96 313 109T354 135 375 160Q403 197 403 250 403 313 360 358T245 403Z"/></g></g><g data-mml-node="mo" transform="translate(3219,0)"><path data-c="3D" d="M56 347Q56 360 70 367H707Q722 359 722 347 722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153 722 140 707 133H70Q56 140 56 153Z"/></g><g data-mml-node="mn" transform="translate(4274.8,0)"><path data-c="30" d="M96 585Q152 666 249 666 297 666 345 640T423 548Q460 465 460 320 460 165 417 83 397 41 362 16T301-15 250-22Q224-22 198-16T137 16 82 83Q39 165 39 320 39 494 96 585ZM321 597Q291 629 250 629 208 629 178 597 153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16 290 16 318 46 347 76 354 130T362 333Q362 478 354 524T321 597Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \cos^2 x +\sin^2 x = 1</td><td>\cos 90^\circ = 0</td></tr></tbody></table></div><div class="story post-story"><h2 id="求和-求积-求极限"><a href="#求和-求积-求极限" class="headerlink" title="求和 求积 求极限"></a>求和 求积 求极限</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="2.389ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 1056 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="2211" d="M61 748Q64 750 489 750H913L954 640Q965 609 976 579T993 533 999 516H979L959 517Q936 579 886 621T777 682Q724 700 655 705T436 710H319Q183 710 183 709 186 706 348 484T511 259Q517 250 513 244L490 216Q466 188 420 134T330 27L149-187Q149-188 362-188 388-188 436-188T506-189Q679-189 778-162T936-43Q946-27 959 6H999L913-249 489-250Q65-250 62-248 56-246 56-239 56-234 118-161 186-81 245-11L428 206Q428 207 242 462L57 717 56 728Q56 744 61 748Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.566ex" xmlns="http://www.w3.org/2000/svg" width="2.136ex" height="2.262ex" role="img" focusable="false" viewBox="0 -750 944 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="220F" d="M158 656Q147 684 131 694 110 707 69 710H55V750H888V710H874Q840 708 820 698T795 678 786 656V-155Q798-206 874-210H888V-250H570V-210H584Q618-208 638-197T663-178 673-155V710H270V277L271-155Q283-206 359-210H373V-250H55V-210H69Q103-208 123-197T148-178 158-155V656Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="3.143ex" height="1.57ex" role="img" focusable="false" viewBox="0 -694 1389 694"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo"><path data-c="6C" d="M42 46H56Q95 46 103 60V68Q103 77 103 91T103 124 104 167 104 217 104 272 104 329Q104 366 104 407T104 482 104 542 103 586 103 603Q100 622 89 628T44 637H26V660Q26 683 28 683L38 684Q48 685 67 686T104 688Q121 689 141 690T171 693 182 694H185V379Q185 62 186 60 190 52 198 49 219 46 247 46H263V0H255L232 1Q209 2 183 2T145 3 107 3 57 1L34 0H26V46H42Z"/><path data-c="69" d="M69 609Q69 637 87 653T131 669Q154 667 171 652T188 609Q188 579 171 564T129 549Q104 549 87 564T69 609ZM247 0Q232 3 143 3 132 3 106 3T56 1L34 0H26V46H42Q70 46 91 49 100 53 102 60T104 102V205 293Q104 345 102 359T88 378Q74 385 41 385H30V408Q30 431 32 431L42 432Q52 433 70 434T106 436Q123 437 142 438T171 441 182 442H185V62Q190 52 197 50T232 46H255V0H247Z" transform="translate(278,0)"/><path data-c="6D" d="M41 46H55Q94 46 102 60V68Q102 77 102 91T102 122 103 161 103 203Q103 234 103 269T102 328V351Q99 370 88 376T43 385H25V408Q25 431 27 431L37 432Q47 433 65 434T102 436Q119 437 138 438T167 441 178 442H181V402Q181 364 182 364T187 369 199 384 218 402 247 421 285 437Q305 442 336 442 351 442 364 440T387 434 406 426 421 417 432 406 441 395 448 384 452 374 455 366L457 361 460 365Q463 369 466 373T475 384 488 397 503 410 523 422 546 432 572 439 603 442Q729 442 740 329 741 322 741 190V104Q741 66 743 59T754 49Q775 46 803 46H819V0H811L788 1Q764 2 737 2T699 3Q596 3 587 0H579V46H595Q656 46 656 62 657 64 657 200 656 335 655 343 649 371 635 385T611 402 585 404Q540 404 506 370 479 343 472 315T464 232V168 108Q464 78 465 68T468 55 477 49Q498 46 526 46H542V0H534L510 1Q487 2 460 2T422 3Q319 3 310 0H302V46H318Q379 46 379 62 380 64 380 200 379 335 378 343 372 371 358 385T334 402 308 404Q263 404 229 370 202 343 195 315T187 232V168 108Q187 78 188 68T191 55 200 49Q221 46 249 46H265V0H257L234 1Q210 2 183 2T145 3Q42 3 33 0H25V46H41Z" transform="translate(556,0)"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \sum</td><td>\prod</td><td>\lim</td></tr></tbody></table><table><thead><tr><th> 符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.798ex" xmlns="http://www.w3.org/2000/svg" width="7.346ex" height="2.755ex" role="img" focusable="false" viewBox="0 -864.9 3246.9 1217.7"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="munderover"><g data-mml-node="mo"><path data-c="2211" d="M61 748Q64 750 489 750H913L954 640Q965 609 976 579T993 533 999 516H979L959 517Q936 579 886 621T777 682Q724 700 655 705T436 710H319Q183 710 183 709 186 706 348 484T511 259Q517 250 513 244L490 216Q466 188 420 134T330 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data-mml-node="TeXAtom" transform="translate(1422,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mo" transform="translate(572,0)"><path data-c="2192" d="M56 237T56 250 70 270H835Q719 357 692 493 692 494 692 496T691 499Q691 511 708 511H711Q720 511 723 510T729 506 732 497 735 481 743 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604 189 617T245 641 273 663Q275 666 285 666 294 666 302 660V361L303 61Q310 54 315 52T339 48 401 46H427V0H416Q395 3 257 3 121 3 100 0H88V46H114Q136 46 152 46T177 47 193 50 201 52 207 57 213 61V578Z"/></g><g data-mml-node="mi" transform="translate(220,-345) scale(0.707)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><rect width="604.5" height="60" x="120" y="220"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \sum_{i=1}^{\infty}\frac{1}{i}</td><td>\prod_{n=1}^5\frac{n}{n-1}</td><td>\lim_{x\to\infty}\frac{1}{x}</td></tr></tbody></table></div><div class="story post-story"><h2 id="求积分-偏导"><a href="#求积分-偏导" class="headerlink" title="求积分 偏导"></a>求积分 偏导</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.691ex" xmlns="http://www.w3.org/2000/svg" width="1.38ex" height="2.514ex" role="img" focusable="false" viewBox="0 -805.5 610 1111"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo" transform="translate(0 0.5)"><path data-c="222B" d="M113-244Q113-246 119-251T139-263 167-269Q186-269 199-260 220-247 232-218T251-133 262-15 276 155 297 367Q300 390 305 438T314 512 325 580 340 647 361 703 390 751 428 784 479 804Q481 804 488 804T501 805Q552 802 581 769T610 695Q610 669 594 657T561 645Q542 645 527 658T512 694Q512 705 516 714T526 729 538 737 548 742L552 743Q552 745 545 751T525 762 498 768Q475 768 460 756T434 716 418 652 407 559 398 444 387 300 369 133Q349-38 337-102T303-207Q256-306 169-306 119-306 87-272T55-196Q55-170 71-158T104-146Q123-146 138-159T153-195Q153-206 149-215T139-230 127-238 117-242L113-244Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.691ex" xmlns="http://www.w3.org/2000/svg" width="1.38ex" height="2.514ex" role="img" focusable="false" viewBox="0 -805.5 610 1111"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo" transform="translate(0 0.5)"><path data-c="222E" d="M269 74 256 80Q244 85 227 97T191 128 161 179 148 250Q148 332 199 379T302 433L306 434 307 444Q309 456 313 495T321 553 331 607 345 664 365 712 393 756 431 785 479 804Q481 804 488 804T501 805Q552 802 581 769T610 695Q610 669 594 657T561 645Q542 645 527 658T512 694Q512 705 516 714T526 729 538 737 548 742L552 743Q552 745 545 751T525 762 498 768Q471 768 454 752T427 693 414 626 406 536Q405 530 405 527L397 425 404 422Q410 419 421 413T445 399 470 376 494 345 511 303 518 250Q518 205 502 169T460 112 410 80 364 66L360 65 359 55Q357 38 353 4T346-43 340-81 333-118 326-148 316-179 303-207Q256-306 169-306 119-306 87-272T55-196Q55-170 71-158T104-146Q123-146 138-159T153-195Q153-206 149-215T139-230 127-238 117-242L113-244Q113-246 119-251T139-263 167-269Q186-269 199-260 231-241 242-183T266 33L269 74ZM272 122Q272 156 300 391 300 392 299 392 287 392 263 379T213 331 187 249Q187 211 205 180T239 137 272 116V122ZM366 107Q378 107 402 119T453 167 479 249Q479 340 394 383V377Q394 375 394 374T393 371 393 366 392 357 391 342 389 321 386 291 382 251 377 199 369 133Q366 112 366 107Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.464ex" xmlns="http://www.w3.org/2000/svg" width="3.494ex" height="2.351ex" role="img" focusable="false" viewBox="0 -833.9 1544.3 1038.9"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msup"><g data-mml-node="mi"><path data-c="1D715" d="M202 508Q179 508 169 520T158 547Q158 557 164 577T185 624 230 675 301 710L333 715H345Q378 715 384 714 447 703 489 661T549 568 566 457Q566 362 519 240T402 53Q321-22 223-22 123-22 73 56 42 102 42 148V159Q42 276 129 370T322 465Q383 465 414 434T455 367L458 378Q478 461 478 515 478 603 437 639T344 676Q266 676 223 612 264 606 264 572 264 547 246 528T202 508ZM430 306Q430 372 401 400T333 428Q270 428 222 382 197 354 183 323T150 221Q132 149 132 116 132 21 232 21 244 21 250 22 327 35 374 112 389 137 409 196T430 306Z"/></g><g data-mml-node="mn" transform="translate(650.8,363) scale(0.707)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 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173 381 173 390 173 393T169 400 158 404H154Q131 404 112 385T82 344 65 302 57 280Q55 278 41 278H27Q21 284 21 287Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \int</td><td>\oint</td><td>\partial^2y</td></tr></tbody></table><table><thead><tr><th> 符号</th><th>语法</th></tr></thead><tbody><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.798ex" xmlns="http://www.w3.org/2000/svg" width="12.539ex" height="2.8ex" role="img" focusable="false" viewBox="0 -884.7 5542.3 1237.5"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mfrac"><g data-mml-node="mi" transform="translate(422.2,394) scale(0.707)"><path data-c="1D451" d="M366 683Q367 683 438 688T511 694Q523 694 523 686 523 679 450 384T375 83 374 68Q374 26 402 26 411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487 491Q506 153 506 145 506 140 503 129 490 79 473 48T445 8 417-8Q409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157Q33 205 53 255T101 341Q148 398 195 420T280 442Q336 442 364 400 369 394 369 396 370 400 396 505T424 616Q424 629 417 632T378 637H357Q351 643 351 645T353 664Q358 683 366 683ZM352 326Q329 405 277 405 242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q233 26 290 98L298 109 352 326Z"/></g><g data-mml-node="mrow" transform="translate(220,-345) scale(0.707)"><g data-mml-node="mi"><path data-c="1D451" d="M366 683Q367 683 438 688T511 694Q523 694 523 686 523 679 450 384T375 83 374 68Q374 26 402 26 411 27 422 35 443 55 463 131 469 151 473 152 475 153 483 153H487 491Q506 153 506 145 506 140 503 129 490 79 473 48T445 8 417-8Q409-10 393-10 359-10 336 5T306 36L300 51Q299 52 296 50 294 48 292 46 233-10 172-10 117-10 75 30T33 157Q33 205 53 255T101 341Q148 398 195 420T280 442Q336 442 364 400 369 394 369 396 370 400 396 505T424 616Q424 629 417 632T378 637H357Q351 643 351 645T353 664Q358 683 366 683ZM352 326Q329 405 277 405 242 405 210 374T160 293Q131 214 119 129 119 126 119 118T118 106Q118 61 136 44T179 26Q233 26 290 98L298 109 352 326Z"/></g><g data-mml-node="mi" transform="translate(520,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g><rect width="972.2" height="60" x="120" y="220"/></g><g data-mml-node="mrow" transform="translate(1212.2,0)"><g data-mml-node="mo" transform="translate(0 -0.5)"><path data-c="28" d="M152 251Q152 646 388 850H416Q422 844 422 841 422 837 403 816T357 753 302 649 255 482 236 250Q236 124 255 19T301-147 356-251 403-315 422-340Q422-343 416-349H388Q359-325 332-296T271-213 212-97 170 56 152 251Z"/></g><g data-mml-node="msup" transform="translate(458,0)"><g data-mml-node="mi"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g><g data-mml-node="mn" transform="translate(605,363) scale(0.707)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g></g><g data-mml-node="mo" transform="translate(1466.6,0) translate(0 -0.5)"><path data-c="29" d="M305 251Q305-145 69-349H56Q43-349 39-347T35-338Q37-333 60-307T108-239 160-136 204 27 221 250 204 473 160 636 108 740 60 807 35 839Q35 850 50 850H56 69Q197 743 256 566 305 425 305 251Z"/></g></g><g data-mml-node="mo" transform="translate(3414.5,0)"><path data-c="3D" d="M56 347Q56 360 70 367H707Q722 359 722 347 722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153 722 140 707 133H70Q56 140 56 153Z"/></g><g data-mml-node="mn" transform="translate(4470.3,0)"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z"/></g><g data-mml-node="mi" transform="translate(4970.3,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 280T72 278H58Q52 284 52 289Z"/></g></g></g></svg></mjx-container></td><td> \frac{d}{dx}\left(x^2\right) = 2x</td></tr><tr><td><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.691ex" xmlns="http://www.w3.org/2000/svg" width="17.003ex" height="2.578ex" role="img" focusable="false" viewBox="0 -833.9 7515.2 1139.4"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mo" transform="translate(0 0.5)"><path data-c="222B" d="M113-244Q113-246 119-251T139-263 167-269Q186-269 199-260 220-247 232-218T251-133 262-15 276 155 297 367Q300 390 305 438T314 512 325 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d="M139-249H137Q125-249 119-235V251L120 737Q130 750 139 750 152 750 159 735V-235Q151-249 141-249H139Z"/></g><g data-mml-node="mo" transform="translate(11085,0) translate(0 -0.5)"><path data-c="7C" d="M139-249H137Q125-249 119-235V251L120 737Q130 750 139 750 152 750 159 735V-235Q151-249 141-249H139Z"/></g><g data-mml-node="mi" transform="translate(11363,0)"><path data-c="1D465" d="M52 289Q59 331 106 386T222 442Q257 442 286 424T329 379Q371 442 430 442 467 442 494 420T522 361Q522 332 508 314T481 292 458 288Q439 288 427 299T415 328Q415 374 465 391 454 404 425 404 412 404 406 402 368 386 350 336 290 115 290 78 290 50 306 38T341 26Q378 26 414 59T463 140Q466 150 469 151T485 153H489Q504 153 504 145 504 144 502 134 486 77 440 33T333-11Q263-11 227 52 186-10 133-10H127Q78-10 57 16T35 71Q35 103 54 123T99 143Q142 143 142 101 142 81 130 66T107 46 94 41L91 40Q91 39 97 36T113 29 132 26Q168 26 194 71 203 87 217 139T245 247 261 313Q266 340 266 352 266 380 251 392T217 404Q177 404 142 372T93 290Q91 281 88 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<strong>Vmatrix</strong> 时对应的情况如下所示。</p><figure class="highlight plaintext"><table><tbody><tr><td class="code"><pre><span class="line">\begin{matrix}</span><br><span class="line">A &amp; B &amp; C\\</span><br><span class="line">D &amp; E &amp; F\\</span><br><span class="line">G &amp; H &amp; I\\</span><br><span class="line">\end{matrix}</span><br></pre></td></tr></tbody></table></figure><h3 id="matrix"><a href="#matrix" class="headerlink" title="matrix"></a>matrix</h3><p><mjx-container class="MathJax" jax="SVG" display="true" width="full" style="min-width:19.529ex"><svg style="vertical-align:-3.733ex;min-width:19.529ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="8.597ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -2150)"><g data-mml-node="math"><g data-mml-node="mtable" transform="translate(2078,0) translate(-2078,0)"><g transform="translate(0 2150) matrix(1 0 0 -1 0 0) 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480 638T473 638 464 637 455 637Q416 636 405 634T387 623Q384 619 355 500 348 474 340 442T328 395L324 380Q324 378 469 378H614L615 381Q615 384 646 504 674 619 674 627T617 637Q594 637 587 639T580 648Q580 650 582 660 586 677 588 679T604 682Q609 682 646 681T740 680Q802 680 835 681T871 682Q888 682 888 672 888 645 876 638H874Q872 638 869 638T862 638 853 637 844 637Q805 636 794 634T776 623Q773 618 704 340T634 58Q634 51 638 51 646 48 692 46H723Q729 38 729 37T726 19Q722 6 716 0H701Q664 2 567 2 533 2 504 2T458 2 437 1Q420 1 420 10 420 15 423 24 428 43 433 45 437 46 448 46H454Q481 46 514 49 520 50 522 50T528 55 534 64 540 82 547 110 558 153Q565 181 569 198 602 330 602 331T457 332H312L279 197Q245 63 245 58 245 51 253 49T303 46H334Q340 38 340 37T337 19Q333 6 327 0H312Q275 2 178 2 144 2 115 2T69 2 48 1Q31 1 31 10 31 12 34 24 39 43 44 45 48 46 59 46H65Q92 46 125 49 139 52 144 61 147 65 216 339T285 628Q285 635 228 637Z"/></g></g><g data-mml-node="mtd" transform="translate(3844,0)"><g data-mml-node="mi"><path data-c="1D43C" d="M43 1Q26 1 26 10 26 12 29 24 34 43 39 45 42 46 54 46H60Q120 46 136 53 137 53 138 54 143 56 149 77T198 273Q210 318 216 344 286 624 286 626 284 630 284 631 274 637 213 637H193Q184 643 189 662 193 677 195 680T209 683H213Q285 681 359 681 481 681 487 683H497Q504 676 504 672T501 655 494 639Q491 637 471 637 440 637 407 634 393 631 388 623 381 609 337 432 326 385 315 341 245 65 245 59 245 52 255 50T307 46H339Q345 38 345 37T342 19Q338 6 332 0H316Q279 2 179 2 143 2 113 2T65 2 43 1Z"/></g></g></g></g><g data-mml-node="mo" transform="translate(5351,0)"><path data-c="239E" d="M31 1143Q31 1154 49 1154H59Q72 1154 75 1152T89 1136Q190 1013 269 873T401 585 489 294 544-8 572-299 583-583Q583-634 583-643T577-654Q575-655 508-655 465-655 463-654 459-653 458-647T457-609Q457-58 371 340T100 1037Q87 1059 61 1098T31 1143Z" transform="translate(0,996)"/><path data-c="23A0" d="M56-644H50Q31-644 31-635 31-632 37-622 69-579 100-527 286-228 371 170T457 1119Q457 1161 462 1164 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429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315 301 241Q265 210 201 149L142 93 218 92Q375 92 385 97 392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19 31Q50 38 56 46T86 81Q115 113 136 137 145 147 170 174T204 211 233 244 261 278 284 308 305 340 320 369 333 401 340 431 343 464Q343 527 309 573T212 619Q179 619 154 602T119 569 109 550Q109 549 114 549 132 549 151 535T170 489Q170 464 154 447T109 429Z" transform="translate(389,0)"/><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z" transform="translate(889,0)"/></g></g></g></svg></g></g></g></g></svg></mjx-container></p><h3 id="bmatrix"><a href="#bmatrix" class="headerlink" title="bmatrix"></a>bmatrix</h3><p><mjx-container class="MathJax" jax="SVG" display="true" width="full" style="min-width:22.548ex"><svg style="vertical-align:-3.733ex;min-width:22.548ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="8.597ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -2150)"><g data-mml-node="math"><g data-mml-node="mtable" transform="translate(2078,0) translate(-2078,0)"><g transform="translate(0 2150) matrix(1 0 0 -1 0 0) scale(55.25)"><svg data-table="true" preserveAspectRatio="xMidYMid" viewBox="2905 -2150 1 3800"><g transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mlabeledtr"><g data-mml-node="mtd"><g data-mml-node="mrow"><g data-mml-node="mo"><path data-c="23A1" d="M319-645V1154H666V1070H403V-645H319Z" transform="translate(0,996)"/><path data-c="23A3" d="M319-644V1155H403V-560H666V-644H319Z" transform="translate(0,-1006)"/><svg width="667" height="402" y="49" x="0" viewBox="0 100.5 667 402"><path data-c="23A2" d="M319 0V602H403V0H319Z" transform="scale(1,1.002)"/></svg></g><g data-mml-node="mtable" transform="translate(667,0)"><g data-mml-node="mtr" transform="translate(0,1400)"><g data-mml-node="mtd" transform="translate(39,0)"><g data-mml-node="mi"><path data-c="1D434" d="M208 74Q208 50 254 46 272 46 272 35 272 34 270 22 267 8 264 4T251 0Q249 0 239 0T205 1 141 2Q70 2 50 0H42Q35 7 35 11 37 38 48 46H62Q132 49 164 96 170 102 345 401T523 704Q530 716 547 716H555 572Q578 707 578 706L606 383Q634 60 636 57 641 46 701 46 726 46 726 36 726 34 723 22 720 7 718 4T704 0Q701 0 690 0T651 1 578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260 413 259Q516 259 516 260Z"/></g></g><g data-mml-node="mtd" transform="translate(1892.5,0)"><g data-mml-node="mi"><path data-c="1D435" d="M231 637Q204 637 199 638T194 649Q194 676 205 682 206 683 335 683 594 683 608 681 671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0 42 0 39 2 35 5 35 10 35 17 37 24 42 43 47 45 51 46 62 46H68Q95 46 128 49 142 52 147 61 150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637 473 637 451 637T416 636H403Q388 635 384 626 382 622 352 506 352 503 351 500L320 374H401Q482 374 494 376 554 386 601 434T649 544ZM595 229Q595 273 572 302T512 336Q506 337 429 337 311 337 310 336 310 334 293 263T258 122L240 52Q240 48 252 48T333 46Q422 46 429 47 491 54 543 105T595 229Z"/></g></g><g data-mml-node="mtd" transform="translate(3716,0)"><g data-mml-node="mi"><path data-c="1D436" d="M50 252Q50 367 117 473T286 641 490 704Q580 704 633 653 642 643 648 636T656 626L657 623Q660 623 684 649 691 655 699 663T715 679 725 690L740 705H746Q760 705 760 698 760 694 728 561 692 422 692 421 690 416 687 415T669 413H653Q647 419 647 422 647 423 648 429T650 449 651 481Q651 552 619 605T510 659Q484 659 454 652T382 628 299 572 226 479Q194 422 175 346T156 222Q156 108 232 58 280 24 350 24 441 24 512 92T606 240Q610 253 612 255T628 257Q648 257 648 248 648 243 647 239 618 132 523 55T319-22Q206-22 128 53T50 252Z"/></g></g></g><g data-mml-node="mtr"><g data-mml-node="mtd"><g data-mml-node="mi"><path data-c="1D437" d="M287 628Q287 635 230 637 207 637 200 638T193 647Q193 655 197 667T204 682Q206 683 403 683 570 682 590 682T630 676Q702 659 752 597T803 431Q803 275 696 151T444 3L430 1 236 0H125 72Q48 0 41 2T33 11Q33 13 36 25 40 41 44 43T67 46Q94 46 127 49 141 52 146 61 149 65 218 339T287 628ZM703 469Q703 507 692 537T666 584 629 613 590 629 555 636Q553 636 541 636T512 636 479 637H436Q392 637 386 627 384 623 313 339T242 52Q242 48 253 48T330 47Q335 47 349 47T373 46Q499 46 581 128 617 164 640 212T683 339 703 469Z"/></g></g><g data-mml-node="mtd" transform="translate(1890,0)"><g data-mml-node="mi"><path data-c="1D438" d="M492 213Q472 213 472 226 472 230 477 250T482 285Q482 316 461 323T364 330H312Q311 328 277 192T243 52Q243 48 254 48T334 46Q428 46 458 48T518 61Q567 77 599 117T670 248Q680 270 683 272 690 274 698 274 718 274 718 261 613 7 608 2 605 0 322 0H133Q31 0 31 11 31 13 34 25 38 41 42 43T65 46Q92 46 125 49 139 52 144 61 146 66 215 342T285 622Q285 629 281 629 273 632 228 634H197Q191 640 191 642T193 659Q197 676 203 680H757Q764 676 764 669 764 664 751 557T737 447Q735 440 717 440H705Q698 445 698 453L701 476Q704 500 704 528 704 558 697 578T678 609 643 625 596 632 532 634H485Q397 633 392 631 388 629 386 622 385 619 355 499T324 377Q347 376 372 376H398Q464 376 489 391T534 472Q538 488 540 490T557 493Q562 493 565 493T570 492 572 491 574 487 577 483L544 351Q511 218 508 216 505 213 492 213Z"/></g></g><g data-mml-node="mtd" transform="translate(3721.5,0)"><g data-mml-node="mi"><path data-c="1D439" d="M48 1Q31 1 31 11 31 13 34 25 38 41 42 43T65 46Q92 46 125 49 139 52 144 61 146 66 215 342T285 622Q285 629 281 629 273 632 228 634H197Q191 640 191 642T193 659Q197 676 203 680H742Q749 676 749 669 749 664 736 557T722 447Q720 440 702 440H690Q683 445 683 453 683 454 686 477T689 530Q689 560 682 579T663 610 626 626 575 633 503 634H480Q398 633 393 631 388 629 386 623 385 622 352 492L320 363H375Q378 363 398 363T426 364 448 367 472 374 489 386Q502 398 511 419T524 457 529 475Q532 480 548 480H560Q567 475 567 470 567 467 536 339T502 207Q500 200 482 200H470Q463 206 463 212 463 215 468 234T473 274Q473 303 453 310T364 317H309L277 190Q245 66 245 60 245 46 334 46H359Q365 40 365 39T363 19Q359 6 353 0H336Q295 2 185 2 120 2 86 2T48 1Z"/></g></g></g><g data-mml-node="mtr" transform="translate(0,-1400)"><g data-mml-node="mtd" transform="translate(21,0)"><g data-mml-node="mi"><path data-c="1D43A" d="M50 252Q50 367 117 473T286 641 490 704Q580 704 633 653 642 643 648 636T656 626L657 623Q660 623 684 649 691 655 699 663T715 679 725 690L740 705H746Q760 705 760 698 760 694 728 561 692 422 692 421 690 416 687 415T669 413H653Q647 419 647 422 647 423 648 429T650 449 651 481Q651 552 619 605T510 659Q492 659 471 656T418 643 357 615 294 567 236 496 189 394 158 260Q156 242 156 221 156 173 170 136T206 79 256 45 308 28 353 24Q407 24 452 47T514 106Q517 114 529 161T541 214Q541 222 528 224T468 227H431Q425 233 425 235T427 254Q431 267 437 273H454Q494 271 594 271 634 271 659 271T695 272 707 272Q721 272 721 263 721 261 719 249 714 230 709 228 706 227 694 227 674 227 653 224 646 221 643 215T629 164Q620 131 614 108 589 6 586 3 584 1 581 1 571 1 553 21T530 52Q530 53 528 52T522 47Q448-22 322-22 201-22 126 55T50 252Z"/></g></g><g data-mml-node="mtd" transform="translate(1828,0)"><g data-mml-node="mi"><path data-c="1D43B" d="M228 637Q194 637 192 641 191 643 191 649 191 673 202 682 204 683 219 683 260 681 355 681 389 681 418 681T463 682 483 682Q499 682 499 672 499 670 497 658 492 641 487 638H485Q483 638 480 638T473 638 464 637 455 637Q416 636 405 634T387 623Q384 619 355 500 348 474 340 442T328 395L324 380Q324 378 469 378H614L615 381Q615 384 646 504 674 619 674 627T617 637Q594 637 587 639T580 648Q580 650 582 660 586 677 588 679T604 682Q609 682 646 681T740 680Q802 680 835 681T871 682Q888 682 888 672 888 645 876 638H874Q872 638 869 638T862 638 853 637 844 637Q805 636 794 634T776 623Q773 618 704 340T634 58Q634 51 638 51 646 48 692 46H723Q729 38 729 37T726 19Q722 6 716 0H701Q664 2 567 2 533 2 504 2T458 2 437 1Q420 1 420 10 420 15 423 24 428 43 433 45 437 46 448 46H454Q481 46 514 49 520 50 522 50T528 55 534 64 540 82 547 110 558 153Q565 181 569 198 602 330 602 331T457 332H312L279 197Q245 63 245 58 245 51 253 49T303 46H334Q340 38 340 37T337 19Q333 6 327 0H312Q275 2 178 2 144 2 115 2T69 2 48 1Q31 1 31 10 31 12 34 24 39 43 44 45 48 46 59 46H65Q92 46 125 49 139 52 144 61 147 65 216 339T285 628Q285 635 228 637Z"/></g></g><g data-mml-node="mtd" transform="translate(3844,0)"><g data-mml-node="mi"><path data-c="1D43C" d="M43 1Q26 1 26 10 26 12 29 24 34 43 39 45 42 46 54 46H60Q120 46 136 53 137 53 138 54 143 56 149 77T198 273Q210 318 216 344 286 624 286 626 284 630 284 631 274 637 213 637H193Q184 643 189 662 193 677 195 680T209 683H213Q285 681 359 681 481 681 487 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581 184 443 167 250 184 58 225-81 274-167 316-220 333-241Q333-250 318-250H315 302L274-226Q180-141 137-14T94 250Z"/><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664 351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336 375 315Q457 262 457 175 457 96 395 37T238-22Q158-22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94 148 82 136 74 126 70 118 67L114 66Q165 21 238 21 293 21 321 74 338 107 338 175V195Q338 290 274 322 259 328 213 329L171 330 168 332Q166 335 166 348 166 366 174 366 202 366 232 371 266 376 294 413T322 525V533Q322 590 287 612 265 626 240 626 208 626 181 615T143 592 132 580H135Q138 579 143 578T153 573 165 566 175 555 183 540 186 520Q186 498 172 481T127 463Z" transform="translate(389,0)"/><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z" transform="translate(889,0)"/></g></g></g></svg></g></g></g></g></svg></mjx-container></p><h3 id="Bmatrix"><a href="#Bmatrix" class="headerlink" title="Bmatrix"></a>Bmatrix</h3><p><mjx-container class="MathJax" jax="SVG" display="true" width="full" style="min-width:23.552ex"><svg style="vertical-align:-3.733ex;min-width:23.552ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="8.597ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -2150)"><g data-mml-node="math"><g data-mml-node="mtable" transform="translate(2078,0) translate(-2078,0)"><g transform="translate(0 2150) matrix(1 0 0 -1 0 0) scale(55.25)"><svg data-table="true" preserveAspectRatio="xMidYMid" viewBox="3127 -2150 1 3800"><g transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mlabeledtr"><g data-mml-node="mtd"><g data-mml-node="mrow"><g data-mml-node="mo"><path data-c="23A7" d="M712 899 718 893V876 865Q718 854 704 846 627 793 577 710T510 525Q510 524 509 521 505 493 504 349 504 345 504 334 504 277 504 240 504-2 503-4 502-8 494-9T444-10Q392-10 390-9 387-8 386-5 384 5 384 230 384 262 384 312T383 382Q383 481 392 535T434 656Q510 806 664 892L677 899H712Z" transform="translate(0,1251)"/><path data-c="23A9" d="M718-893 712-899H677L666-893Q542-825 468-714T385-476Q384-466 384-282 384 3 385 5L389 9Q392 10 444 10 486 10 494 9T503 4Q504 2 504-239V-310-366Q504-470 508-513T530-609Q546-657 569-698T617-767 661-812 699-843 717-856 718-876V-893Z" transform="translate(0,-751)"/><path data-c="23A8" d="M389 1159Q391 1160 455 1160 496 1160 498 1159 501 1158 502 1155 504 1145 504 924 504 691 503 682 494 549 425 439T243 259L229 250 243 241Q349 175 421 66T503-182Q504-191 504-424 504-600 504-629T499-659H498Q496-660 444-660T390-659Q387-658 386-655 384-645 384-425V-282Q384-176 377-116T342 10Q325 54 301 92T255 155 214 196 183 222 171 232Q170 233 170 250T171 268Q171 269 191 284T240 331 300 407 354 524 383 679Q384 691 384 925 384 1152 385 1155L389 1159Z" transform="translate(0,0)"/><svg width="889" height="281" y="1060" x="0" viewBox="0 49.5 889 281"><path data-c="23AA" d="M384 150V266Q384 304 389 309 391 310 455 310 496 310 498 309 502 308 503 298 504 283 504 150 504 32 504 12T499-9H498Q496-10 444-10T390-9Q386-8 385 2 384 17 384 150Z" transform="scale(1,1.382)"/></svg><svg width="889" height="281" y="-841" x="0" viewBox="0 49.5 889 281"><path data-c="23AA" d="M384 150V266Q384 304 389 309 391 310 455 310 496 310 498 309 502 308 503 298 504 283 504 150 504 32 504 12T499-9H498Q496-10 444-10T390-9Q386-8 385 2 384 17 384 150Z" transform="scale(1,1.382)"/></svg></g><g data-mml-node="mtable" transform="translate(889,0)"><g data-mml-node="mtr" transform="translate(0,1400)"><g data-mml-node="mtd" transform="translate(39,0)"><g data-mml-node="mi"><path data-c="1D434" d="M208 74Q208 50 254 46 272 46 272 35 272 34 270 22 267 8 264 4T251 0Q249 0 239 0T205 1 141 2Q70 2 50 0H42Q35 7 35 11 37 38 48 46H62Q132 49 164 96 170 102 345 401T523 704Q530 716 547 716H555 572Q578 707 578 706L606 383Q634 60 636 57 641 46 701 46 726 46 726 36 726 34 723 22 720 7 718 4T704 0Q701 0 690 0T651 1 578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260 413 259Q516 259 516 260Z"/></g></g><g data-mml-node="mtd" transform="translate(1892.5,0)"><g data-mml-node="mi"><path data-c="1D435" d="M231 637Q204 637 199 638T194 649Q194 676 205 682 206 683 335 683 594 683 608 681 671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0 42 0 39 2 35 5 35 10 35 17 37 24 42 43 47 45 51 46 62 46H68Q95 46 128 49 142 52 147 61 150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637 473 637 451 637T416 636H403Q388 635 384 626 382 622 352 506 352 503 351 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440 717 440H705Q698 445 698 453L701 476Q704 500 704 528 704 558 697 578T678 609 643 625 596 632 532 634H485Q397 633 392 631 388 629 386 622 385 619 355 499T324 377Q347 376 372 376H398Q464 376 489 391T534 472Q538 488 540 490T557 493Q562 493 565 493T570 492 572 491 574 487 577 483L544 351Q511 218 508 216 505 213 492 213Z"/></g></g><g data-mml-node="mtd" transform="translate(3721.5,0)"><g data-mml-node="mi"><path data-c="1D439" d="M48 1Q31 1 31 11 31 13 34 25 38 41 42 43T65 46Q92 46 125 49 139 52 144 61 146 66 215 342T285 622Q285 629 281 629 273 632 228 634H197Q191 640 191 642T193 659Q197 676 203 680H742Q749 676 749 669 749 664 736 557T722 447Q720 440 702 440H690Q683 445 683 453 683 454 686 477T689 530Q689 560 682 579T663 610 626 626 575 633 503 634H480Q398 633 393 631 388 629 386 623 385 622 352 492L320 363H375Q378 363 398 363T426 364 448 367 472 374 489 386Q502 398 511 419T524 457 529 475Q532 480 548 480H560Q567 475 567 470 567 467 536 339T502 207Q500 200 482 200H470Q463 206 463 212 463 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jax="SVG" display="true" width="full" style="min-width:21.036ex"><svg style="vertical-align:-3.733ex;min-width:21.036ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="8.597ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -2150)"><g data-mml-node="math"><g data-mml-node="mtable" transform="translate(2078,0) translate(-2078,0)"><g transform="translate(0 2150) matrix(1 0 0 -1 0 0) scale(55.25)"><svg data-table="true" preserveAspectRatio="xMidYMid" viewBox="2571 -2150 1 3800"><g transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mlabeledtr"><g data-mml-node="mtd"><g data-mml-node="mrow"><g data-mml-node="mo"><svg width="278" height="3800" y="-1650" x="27.5" viewBox="0 -470.7 278 3800"><path data-c="2223" d="M139-249H137Q125-249 119-235V251L120 737Q130 750 139 750 152 750 159 735V-235Q151-249 141-249H139Z" transform="scale(1,5.706)"/></svg></g><g data-mml-node="mtable" transform="translate(333,0)"><g data-mml-node="mtr" transform="translate(0,1400)"><g data-mml-node="mtd" transform="translate(39,0)"><g data-mml-node="mi"><path data-c="1D434" d="M208 74Q208 50 254 46 272 46 272 35 272 34 270 22 267 8 264 4T251 0Q249 0 239 0T205 1 141 2Q70 2 50 0H42Q35 7 35 11 37 38 48 46H62Q132 49 164 96 170 102 345 401T523 704Q530 716 547 716H555 572Q578 707 578 706L606 383Q634 60 636 57 641 46 701 46 726 46 726 36 726 34 723 22 720 7 718 4T704 0Q701 0 690 0T651 1 578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260 413 259Q516 259 516 260Z"/></g></g><g data-mml-node="mtd" transform="translate(1892.5,0)"><g data-mml-node="mi"><path data-c="1D435" d="M231 637Q204 637 199 638T194 649Q194 676 205 682 206 683 335 683 594 683 608 681 671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0 42 0 39 2 35 5 35 10 35 17 37 24 42 43 47 45 51 46 62 46H68Q95 46 128 49 142 52 147 61 150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637 473 637 451 637T416 636H403Q388 635 384 626 382 622 352 506 352 503 351 500L320 374H401Q482 374 494 376 554 386 601 434T649 544ZM595 229Q595 273 572 302T512 336Q506 337 429 337 311 337 310 336 310 334 293 263T258 122L240 52Q240 48 252 48T333 46Q422 46 429 47 491 54 543 105T595 229Z"/></g></g><g data-mml-node="mtd" transform="translate(3716,0)"><g data-mml-node="mi"><path data-c="1D436" d="M50 252Q50 367 117 473T286 641 490 704Q580 704 633 653 642 643 648 636T656 626L657 623Q660 623 684 649 691 655 699 663T715 679 725 690L740 705H746Q760 705 760 698 760 694 728 561 692 422 692 421 690 416 687 415T669 413H653Q647 419 647 422 647 423 648 429T650 449 651 481Q651 552 619 605T510 659Q484 659 454 652T382 628 299 572 226 479Q194 422 175 346T156 222Q156 108 232 58 280 24 350 24 441 24 512 92T606 240Q610 253 612 255T628 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634H480Q398 633 393 631 388 629 386 623 385 622 352 492L320 363H375Q378 363 398 363T426 364 448 367 472 374 489 386Q502 398 511 419T524 457 529 475Q532 480 548 480H560Q567 475 567 470 567 467 536 339T502 207Q500 200 482 200H470Q463 206 463 212 463 215 468 234T473 274Q473 303 453 310T364 317H309L277 190Q245 66 245 60 245 46 334 46H359Q365 40 365 39T363 19Q359 6 353 0H336Q295 2 185 2 120 2 86 2T48 1Z"/></g></g></g><g data-mml-node="mtr" transform="translate(0,-1400)"><g data-mml-node="mtd" transform="translate(21,0)"><g data-mml-node="mi"><path data-c="1D43A" d="M50 252Q50 367 117 473T286 641 490 704Q580 704 633 653 642 643 648 636T656 626L657 623Q660 623 684 649 691 655 699 663T715 679 725 690L740 705H746Q760 705 760 698 760 694 728 561 692 422 692 421 690 416 687 415T669 413H653Q647 419 647 422 647 423 648 429T650 449 651 481Q651 552 619 605T510 659Q492 659 471 656T418 643 357 615 294 567 236 496 189 394 158 260Q156 242 156 221 156 173 170 136T206 79 256 45 308 28 353 24Q407 24 452 47T514 106Q517 114 529 161T541 214Q541 222 528 224T468 227H431Q425 233 425 235T427 254Q431 267 437 273H454Q494 271 594 271 634 271 659 271T695 272 707 272Q721 272 721 263 721 261 719 249 714 230 709 228 706 227 694 227 674 227 653 224 646 221 643 215T629 164Q620 131 614 108 589 6 586 3 584 1 581 1 571 1 553 21T530 52Q530 53 528 52T522 47Q448-22 322-22 201-22 126 55T50 252Z"/></g></g><g data-mml-node="mtd" transform="translate(1828,0)"><g data-mml-node="mi"><path data-c="1D43B" d="M228 637Q194 637 192 641 191 643 191 649 191 673 202 682 204 683 219 683 260 681 355 681 389 681 418 681T463 682 483 682Q499 682 499 672 499 670 497 658 492 641 487 638H485Q483 638 480 638T473 638 464 637 455 637Q416 636 405 634T387 623Q384 619 355 500 348 474 340 442T328 395L324 380Q324 378 469 378H614L615 381Q615 384 646 504 674 619 674 627T617 637Q594 637 587 639T580 648Q580 650 582 660 586 677 588 679T604 682Q609 682 646 681T740 680Q802 680 835 681T871 682Q888 682 888 672 888 645 876 638H874Q872 638 869 638T862 638 853 637 844 637Q805 636 794 634T776 623Q773 618 704 340T634 58Q634 51 638 51 646 48 692 46H723Q729 38 729 37T726 19Q722 6 716 0H701Q664 2 567 2 533 2 504 2T458 2 437 1Q420 1 420 10 420 15 423 24 428 43 433 45 437 46 448 46H454Q481 46 514 49 520 50 522 50T528 55 534 64 540 82 547 110 558 153Q565 181 569 198 602 330 602 331T457 332H312L279 197Q245 63 245 58 245 51 253 49T303 46H334Q340 38 340 37T337 19Q333 6 327 0H312Q275 2 178 2 144 2 115 2T69 2 48 1Q31 1 31 10 31 12 34 24 39 43 44 45 48 46 59 46H65Q92 46 125 49 139 52 144 61 147 65 216 339T285 628Q285 635 228 637Z"/></g></g><g data-mml-node="mtd" transform="translate(3844,0)"><g data-mml-node="mi"><path data-c="1D43C" d="M43 1Q26 1 26 10 26 12 29 24 34 43 39 45 42 46 54 46H60Q120 46 136 53 137 53 138 54 143 56 149 77T198 273Q210 318 216 344 286 624 286 626 284 630 284 631 274 637 213 637H193Q184 643 189 662 193 677 195 680T209 683H213Q285 681 359 681 481 681 487 683H497Q504 676 504 672T501 655 494 639Q491 637 471 637 440 637 407 634 393 631 388 623 381 609 337 432 326 385 315 341 245 65 245 59 245 52 255 50T307 46H339Q345 38 345 37T342 19Q338 6 332 0H316Q279 2 179 2 143 2 113 2T65 2 43 1Z"/></g></g></g></g><g data-mml-node="mo" transform="translate(4809,0)"><svg width="278" height="3800" y="-1650" x="27.5" viewBox="0 -470.7 278 3800"><path data-c="2223" d="M139-249H137Q125-249 119-235V251L120 737Q130 750 139 750 152 750 159 735V-235Q151-249 141-249H139Z" transform="scale(1,5.706)"/></svg></g></g></g></g></g></svg><svg data-labels="true" preserveAspectRatio="xMaxYMid" viewBox="1278 -2150 1 3800"><g data-labels="true" transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mtd" id="mjx-eqn:5"><g data-mml-node="mtext"><path data-c="28" d="M94 250Q94 319 104 381T127 488 164 576 202 643 244 695 277 729 302 750H315 319Q333 750 333 741 333 738 316 720T275 667 226 581 184 443 167 250 184 58 225-81 274-167 316-220 333-241Q333-250 318-250H315 302L274-226Q180-141 137-14T94 250Z"/><path data-c="35" d="M164 157Q164 133 148 117T109 101H102Q148 22 224 22 294 22 326 82 345 115 345 210 345 313 318 349 292 382 260 382H254Q176 382 136 314 132 307 129 306T114 304Q97 304 95 310 93 314 93 485V614Q93 664 98 664 100 666 102 666 103 666 123 658T178 642 253 634Q324 634 389 662 397 666 402 666 410 666 410 648V635Q328 538 205 538 174 538 149 544L139 546V374Q158 388 169 396T205 412 256 420Q337 420 393 355T449 201Q449 109 385 44T229-22Q148-22 99 32T50 154Q50 178 61 192T84 210 107 214Q132 214 148 197T164 157Z" transform="translate(389,0)"/><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z" transform="translate(889,0)"/></g></g></g></svg></g></g></g></g></svg></mjx-container></p><h3 id="Vmatrix"><a href="#Vmatrix" class="headerlink" title="Vmatrix"></a>Vmatrix</h3><p><mjx-container class="MathJax" jax="SVG" display="true" width="full" style="min-width:22.045ex"><svg style="vertical-align:-3.733ex;min-width:22.045ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="8.597ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -2150)"><g data-mml-node="math"><g data-mml-node="mtable" transform="translate(2078,0) translate(-2078,0)"><g transform="translate(0 2150) matrix(1 0 0 -1 0 0) scale(55.25)"><svg data-table="true" preserveAspectRatio="xMidYMid" viewBox="2794 -2150 1 3800"><g transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mlabeledtr"><g data-mml-node="mtd"><g data-mml-node="mrow"><g data-mml-node="mo"><svg width="500" height="3800" y="-1650" x="28" viewBox="0 -475 500 3800"><path data-c="2225" d="M133 736Q138 750 153 750 164 750 170 739 172 735 172 250T170-239Q164-250 152-250 144-250 138-244L137-243Q133-241 133-179T132 250Q132 731 133 736ZM329 739Q334 750 346 750 353 750 361 744L362 743Q366 741 366 679T367 250 367-178 362-243L361-244Q355-250 347-250 335-250 329-239 327-235 327 250T329 739Z" transform="scale(1,5.7)"/></svg></g><g data-mml-node="mtable" transform="translate(556,0)"><g data-mml-node="mtr" transform="translate(0,1400)"><g data-mml-node="mtd" transform="translate(39,0)"><g data-mml-node="mi"><path data-c="1D434" d="M208 74Q208 50 254 46 272 46 272 35 272 34 270 22 267 8 264 4T251 0Q249 0 239 0T205 1 141 2Q70 2 50 0H42Q35 7 35 11 37 38 48 46H62Q132 49 164 96 170 102 345 401T523 704Q530 716 547 716H555 572Q578 707 578 706L606 383Q634 60 636 57 641 46 701 46 726 46 726 36 726 34 723 22 720 7 718 4T704 0Q701 0 690 0T651 1 578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260 413 259Q516 259 516 260Z"/></g></g><g data-mml-node="mtd" transform="translate(1892.5,0)"><g data-mml-node="mi"><path data-c="1D435" d="M231 637Q204 637 199 638T194 649Q194 676 205 682 206 683 335 683 594 683 608 681 671 671 713 636T756 544Q756 480 698 429T565 360L555 357Q619 348 660 311T702 219Q702 146 630 78T453 1Q446 0 242 0 42 0 39 2 35 5 35 10 35 17 37 24 42 43 47 45 51 46 62 46H68Q95 46 128 49 142 52 147 61 150 65 219 339T288 628Q288 635 231 637ZM649 544Q649 574 634 600T585 634Q578 636 493 637 473 637 451 637T416 636H403Q388 635 384 626 382 622 352 506 352 503 351 500L320 374H401Q482 374 494 376 554 386 601 434T649 544ZM595 229Q595 273 572 302T512 336Q506 337 429 337 311 337 310 336 310 334 293 263T258 122L240 52Q240 48 252 48T333 46Q422 46 429 47 491 54 543 105T595 229Z"/></g></g><g data-mml-node="mtd" transform="translate(3716,0)"><g data-mml-node="mi"><path data-c="1D436" d="M50 252Q50 367 117 473T286 641 490 704Q580 704 633 653 642 643 648 636T656 626L657 623Q660 623 684 649 691 655 699 663T715 679 725 690L740 705H746Q760 705 760 698 760 694 728 561 692 422 692 421 690 416 687 415T669 413H653Q647 419 647 422 647 423 648 429T650 449 651 481Q651 552 619 605T510 659Q484 659 454 652T382 628 299 572 226 479Q194 422 175 346T156 222Q156 108 232 58 280 24 350 24 441 24 512 92T606 240Q610 253 612 255T628 257Q648 257 648 248 648 243 647 239 618 132 523 55T319-22Q206-22 128 53T50 252Z"/></g></g></g><g data-mml-node="mtr"><g data-mml-node="mtd"><g data-mml-node="mi"><path data-c="1D437" d="M287 628Q287 635 230 637 207 637 200 638T193 647Q193 655 197 667T204 682Q206 683 403 683 570 682 590 682T630 676Q702 659 752 597T803 431Q803 275 696 151T444 3L430 1 236 0H125 72Q48 0 41 2T33 11Q33 13 36 25 40 41 44 43T67 46Q94 46 127 49 141 52 146 61 149 65 218 339T287 628ZM703 469Q703 507 692 537T666 584 629 613 590 629 555 636Q553 636 541 636T512 636 479 637H436Q392 637 386 627 384 623 313 339T242 52Q242 48 253 48T330 47Q335 47 349 47T373 46Q499 46 581 128 617 164 640 212T683 339 703 469Z"/></g></g><g data-mml-node="mtd" transform="translate(1890,0)"><g data-mml-node="mi"><path data-c="1D438" d="M492 213Q472 213 472 226 472 230 477 250T482 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data-mml-node="mtd" id="mjx-eqn:6"><g data-mml-node="mtext"><path data-c="28" d="M94 250Q94 319 104 381T127 488 164 576 202 643 244 695 277 729 302 750H315 319Q333 750 333 741 333 738 316 720T275 667 226 581 184 443 167 250 184 58 225-81 274-167 316-220 333-241Q333-250 318-250H315 302L274-226Q180-141 137-14T94 250Z"/><path data-c="36" d="M42 313Q42 476 123 571T303 666Q372 666 402 630T432 550Q432 525 418 510T379 495Q356 495 341 509T326 548Q326 592 373 601 351 623 311 626 240 626 194 566 147 500 147 364L148 360Q153 366 156 373 197 433 263 433H267Q313 433 348 414 372 400 396 374T435 317Q456 268 456 210V192Q456 169 451 149 440 90 387 34T253-22Q225-22 199-14T143 16 92 75 56 172 42 313ZM257 397Q227 397 205 380T171 335 154 278 148 216Q148 133 160 97T198 39Q222 21 251 21 302 21 329 59 342 77 347 104T352 209Q352 289 347 316T329 361Q302 397 257 397Z" transform="translate(389,0)"/><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z" transform="translate(889,0)"/></g></g></g></svg></g></g></g></g></svg></mjx-container></p></div><div class="story post-story"><h2 id="带省略号的矩阵"><a href="#带省略号的矩阵" class="headerlink" title="带省略号的矩阵"></a>带省略号的矩阵</h2><p>这里使用 <strong>bmatrix</strong> 做示范,其他的类似。</p><p>如上面 “省略号” 所在小节所示,时使用 <strong>\cdots</strong> 表示水平方向省略号, <strong>\vdots</strong> 表示竖直方向省略号, <strong>\ddots</strong> 表示对角线方向省略号(我这里为了美观把公式按 <strong>&amp;</strong> 对齐了,这并不是必需的)。</p><p><mjx-container class="MathJax" jax="SVG" display="true" width="full" style="min-width:27.71ex"><svg style="vertical-align:-6.188ex;min-width:27.71ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="13.507ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -3235)"><g data-mml-node="math"><g data-mml-node="mtable" 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637 455 637Q416 636 405 634T387 623Q384 619 355 500 348 474 340 442T328 395L324 380Q324 378 469 378H614L615 381Q615 384 646 504 674 619 674 627T617 637Q594 637 587 639T580 648Q580 650 582 660 586 677 588 679T604 682Q609 682 646 681T740 680Q802 680 835 681T871 682Q888 682 888 672 888 645 876 638H874Q872 638 869 638T862 638 853 637 844 637Q805 636 794 634T776 623Q773 618 704 340T634 58Q634 51 638 51 646 48 692 46H723Q729 38 729 37T726 19Q722 6 716 0H701Q664 2 567 2 533 2 504 2T458 2 437 1Q420 1 420 10 420 15 423 24 428 43 433 45 437 46 448 46H454Q481 46 514 49 520 50 522 50T528 55 534 64 540 82 547 110 558 153Q565 181 569 198 602 330 602 331T457 332H312L279 197Q245 63 245 58 245 51 253 49T303 46H334Q340 38 340 37T337 19Q333 6 327 0H312Q275 2 178 2 144 2 115 2T69 2 48 1Q31 1 31 10 31 12 34 24 39 43 44 45 48 46 59 46H65Q92 46 125 49 139 52 144 61 147 65 216 339T285 628Q285 635 228 637Z"/></g></g><g data-mml-node="mtd" transform="translate(3771,0)"><g data-mml-node="mo"><path data-c="22EF" 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1070V1154H347V-645H263V1070H0Z" transform="translate(0,2081)"/><path data-c="23A6" d="M263-560V1155H347V-644H0V-560H263Z" transform="translate(0,-2091)"/><svg width="667" height="2572" y="-1036" x="0" viewBox="0 643 667 2572"><path data-c="23A5" d="M263 0V602H347V0H263Z" transform="scale(1,6.409)"/></svg></g></g></g></g></g></svg><svg data-labels="true" preserveAspectRatio="xMaxYMid" viewBox="1278 -3235 1 5970"><g data-labels="true" transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mtd" id="mjx-eqn:7"><g data-mml-node="mtext"><path data-c="28" d="M94 250Q94 319 104 381T127 488 164 576 202 643 244 695 277 729 302 750H315 319Q333 750 333 741 333 738 316 720T275 667 226 581 184 443 167 250 184 58 225-81 274-167 316-220 333-241Q333-250 318-250H315 302L274-226Q180-141 137-14T94 250Z"/><path data-c="37" d="M55 458Q56 460 72 567L88 674Q88 676 108 676H128V672Q128 662 143 655T195 646 364 644H485V605L417 512Q408 500 387 472T360 435 339 403 319 367 305 330 292 284 284 230 278 162 275 80Q275 66 275 52T274 28V19Q270 2 255-10T221-22Q210-22 200-19T179 0 168 40Q168 198 265 368 285 400 349 489L395 552H302Q128 552 119 546 113 543 108 522T98 479L95 458V455H55V458Z" transform="translate(389,0)"/><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z" transform="translate(889,0)"/></g></g></g></svg></g></g></g></g></svg></mjx-container></p><figure class="highlight plaintext"><table><tbody><tr><td class="code"><pre><span class="line">\begin{bmatrix}</span><br><span class="line">A      &amp;  B     &amp; \cdots &amp;  C     \\</span><br><span class="line">D      &amp;  E     &amp; \cdots &amp;  F     \\</span><br><span class="line">\vdots &amp; \vdots &amp; \ddots &amp; \vdots \\</span><br><span class="line">G      &amp;  H     &amp; \cdots &amp;  I     \\</span><br><span class="line">\end{bmatrix}</span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="矩阵方程(函数)"><a href="#矩阵方程(函数)" class="headerlink" title="矩阵方程(函数)"></a>矩阵方程(函数)</h2><p>使用 <strong>\begin{equation}</strong> 作为整个公式块的开始,以 <strong>\end{equation}</strong> 结束。在里面再配合其他符号的语法使用即可。</p><p>一个简单的例子如下(这里使用 <strong>bmatrix</strong> 做示范,其他的类似)。</p><p><mjx-container class="MathJax" jax="SVG" display="true" width="full" style="min-width:38.603ex"><svg style="vertical-align:-6.188ex;min-width:38.603ex" xmlns="http://www.w3.org/2000/svg" width="100%" height="13.507ex" role="img" focusable="false"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(0.0181,-0.0181) translate(0, -3235)"><g data-mml-node="math"><g data-mml-node="mtable" transform="translate(2078,0) translate(-2078,0)"><g transform="translate(0 3235) matrix(1 0 0 -1 0 0) scale(55.25)"><svg data-table="true" preserveAspectRatio="xMidYMid" viewBox="6453.2 -3235 1 5970"><g transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mlabeledtr"><g data-mml-node="mtd"><g data-mml-node="msub"><g data-mml-node="mi"><path data-c="1D43B" d="M228 637Q194 637 192 641 191 643 191 649 191 673 202 682 204 683 219 683 260 681 355 681 389 681 418 681T463 682 483 682Q499 682 499 672 499 670 497 658 492 641 487 638H485Q483 638 480 638T473 638 464 637 455 637Q416 636 405 634T387 623Q384 619 355 500 348 474 340 442T328 395L324 380Q324 378 469 378H614L615 381Q615 384 646 504 674 619 674 627T617 637Q594 637 587 639T580 648Q580 650 582 660 586 677 588 679T604 682Q609 682 646 681T740 680Q802 680 835 681T871 682Q888 682 888 672 888 645 876 638H874Q872 638 869 638T862 638 853 637 844 637Q805 636 794 634T776 623Q773 618 704 340T634 58Q634 51 638 51 646 48 692 46H723Q729 38 729 37T726 19Q722 6 716 0H701Q664 2 567 2 533 2 504 2T458 2 437 1Q420 1 420 10 420 15 423 24 428 43 433 45 437 46 448 46H454Q481 46 514 49 520 50 522 50T528 55 534 64 540 82 547 110 558 153Q565 181 569 198 602 330 602 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data-mml-node="mi"><path data-c="1D43C" d="M43 1Q26 1 26 10 26 12 29 24 34 43 39 45 42 46 54 46H60Q120 46 136 53 137 53 138 54 143 56 149 77T198 273Q210 318 216 344 286 624 286 626 284 630 284 631 274 637 213 637H193Q184 643 189 662 193 677 195 680T209 683H213Q285 681 359 681 481 681 487 683H497Q504 676 504 672T501 655 494 639Q491 637 471 637 440 637 407 634 393 631 388 623 381 609 337 432 326 385 315 341 245 65 245 59 245 52 255 50T307 46H339Q345 38 345 37T342 19Q338 6 332 0H316Q279 2 179 2 143 2 113 2T65 2 43 1Z"/></g></g></g></g><g data-mml-node="mo" transform="translate(7425,0)"><path data-c="23A4" d="M0 1070V1154H347V-645H263V1070H0Z" transform="translate(0,2081)"/><path data-c="23A6" d="M263-560V1155H347V-644H0V-560H263Z" transform="translate(0,-2091)"/><svg width="667" height="2572" y="-1036" x="0" viewBox="0 643 667 2572"><path data-c="23A5" d="M263 0V602H347V0H263Z" transform="scale(1,6.409)"/></svg></g></g></g></g></g></g></svg><svg data-labels="true" preserveAspectRatio="xMaxYMid" viewBox="1278 -3235 1 5970"><g data-labels="true" transform="matrix(1 0 0 -1 0 0)"><g data-mml-node="mtd" id="mjx-eqn:8"><g data-mml-node="mtext"><path data-c="28" d="M94 250Q94 319 104 381T127 488 164 576 202 643 244 695 277 729 302 750H315 319Q333 750 333 741 333 738 316 720T275 667 226 581 184 443 167 250 184 58 225-81 274-167 316-220 333-241Q333-250 318-250H315 302L274-226Q180-141 137-14T94 250Z"/><path data-c="38" d="M70 417T70 494 124 618 248 666Q319 666 374 624T429 515Q429 485 418 459T392 417 361 389 335 371 324 363L338 354Q352 344 366 334T382 323Q457 264 457 174 457 95 399 37T249-22Q159-22 101 29T43 155Q43 263 172 335L154 348Q133 361 127 368 70 417 70 494ZM286 386 292 390Q298 394 301 396T311 403 323 413 334 425 345 438 355 454 364 471 369 491 371 513Q371 556 342 586T275 624Q268 625 242 625 201 625 165 599T128 534Q128 511 141 492T167 463 217 431Q224 426 228 424L286 386ZM250 21Q308 21 350 55T392 137Q392 154 387 169T375 194 353 216 330 234 301 253 274 270Q260 279 244 289T218 306L210 311Q204 311 181 294T133 239 107 157Q107 98 150 60T250 21Z" transform="translate(389,0)"/><path data-c="29" d="M60 749 64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12 224-76 186-143 145-194 113-227 90-246Q87-249 86-250H74Q66-250 63-250T58-247 55-238Q56-237 66-225 221-64 221 250T66 725Q56 737 55 738 55 746 60 749Z" transform="translate(889,0)"/></g></g></g></svg></g></g></g></g></svg></mjx-container></p><figure class="highlight plaintext"><table><tbody><tr><td class="code"><pre><span class="line">\begin{equation}</span><br><span class="line">H_x=\frac{1}{3}\times{</span><br><span class="line">\begin{bmatrix}</span><br><span class="line">A      &amp;  B     &amp; \cdots &amp;  C    \\</span><br><span class="line">D      &amp;  E     &amp; \cdots &amp;  F    \\</span><br><span class="line">\vdots &amp; \vdots &amp; \ddots &amp; \vdots\\</span><br><span class="line">G      &amp;  H     &amp; \cdots &amp;  I    \\</span><br><span class="line">\end{bmatrix}}</span><br><span class="line">\end{equation}</span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="其他符号"><a href="#其他符号" class="headerlink" title="其他符号"></a>其他符号</h2><table><thead><tr><th>符号</th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.025ex" xmlns="http://www.w3.org/2000/svg" width="2.262ex" height="1.025ex" role="img" focusable="false" viewBox="0 -442 1000 453"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="221E" d="M55 217Q55 305 111 373T254 442Q342 442 419 381 457 350 493 303L507 284 514 294Q618 442 747 442 833 442 888 374T944 214Q944 128 889 59T743-11Q657-11 580 50 542 81 506 128L492 147 485 137Q381-11 252-11 166-11 111 57T55 217ZM907 217Q907 285 869 341T761 397Q740 397 720 392T682 378 648 359 619 335 594 310 574 285 559 263 548 246L543 238 574 198Q605 158 622 138T664 94 714 61 765 51Q827 51 867 100T907 217ZM92 214Q92 145 131 89T239 33Q357 33 456 193L425 233Q364 312 334 337 285 380 233 380 171 380 132 331T92 214Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="2.011ex" height="1.62ex" role="img" focusable="false" viewBox="0 -716 889 716"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="25B3" d="M75 0 72 2Q69 3 67 5T62 11 59 20Q59 24 62 30 65 37 245 370T428 707Q428 708 430 710T436 714 444 716Q451 716 455 712 459 710 644 368L828 27V20Q828 7 814 0H75ZM610 347 444 653Q443 653 278 347T113 40H775Q775 42 610 347Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:0" xmlns="http://www.w3.org/2000/svg" width="1.633ex" height="1.57ex" role="img" focusable="false" viewBox="0 -694 722 694"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="2220" d="M71 0 68 2Q65 3 63 5T58 11 55 20Q55 22 57 28 67 43 346 361 397 420 474 508 595 648 616 671T647 694 661 688 666 674Q666 668 663 663 662 662 627 622T524 503 390 350L120 41 386 40H653Q666 30 666 20 666 8 651 0H71Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.077ex" xmlns="http://www.w3.org/2000/svg" width="1.885ex" height="1.674ex" role="img" focusable="false" viewBox="0 -706 833 740"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="2713" d="M84 231Q84 244 114 264T170 285Q176 285 183 274T224 205Q267 129 268 129 271 141 279 163T318 250 389 378 502 523 662 673Q702 706 732 706H734Q749 706 749 695 749 682 730 666T660 607 559 505Q387 299 328 29 324 0 295-17T245-34H241Q234-34 225-21T185 46Q166 79 154 101 84 223 84 231Z"/></g></g></g></svg></mjx-container></th><th><mjx-container class="MathJax" jax="SVG"><svg style="vertical-align:-.075ex" xmlns="http://www.w3.org/2000/svg" width="1.885ex" height="1.62ex" role="img" focusable="false" viewBox="0 -683 833 716"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mi"><path data-c="2207" d="M46 676Q46 679 51 683H781Q786 679 786 676 786 674 617 326T444-26Q439-33 416-33T388-26Q385-22 216 326T46 676ZM697 596Q697 597 445 597T193 596Q195 591 319 336T445 80L697 596Z"/></g></g></g></svg></mjx-container></th></tr></thead><tbody><tr><td>语法</td><td> \infty</td><td>\triangle</td><td>\angle</td><td>\checkmark</td><td>\nabla</td></tr></tbody></table></div></div><div class="footer"></div><div class="article-meta" id="bottom"><div class="new-meta-box"></div></div><div class="recommended-article"><div 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href="/notes/"><i class="fa-duotone fa-book fa-fw" aria-hidden="true"></i> <span class="name">Notes</span></a></header><div class="content"></div></section><div class="widget-sticky pjax"><section class="widget toc-wrapper desktop mobile" id="toc-div"><header><i class="fa-duotone fa-list fa-fw" aria-hidden="true"></i> <span class="name">本文目录</span></header><div class="content"><ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%8A%A0%E5%87%8F%E4%B9%98%E9%99%A4"><span class="toc-text">加减乘除</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%B9%82%E8%BF%90%E7%AE%97"><span class="toc-text">幂运算</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%80%BB%E8%BE%91%E8%BF%90%E7%AE%97"><span class="toc-text">逻辑运算</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%85%B3%E7%B3%BB%E8%BF%90%E7%AE%97"><span class="toc-text">关系运算</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%9B%86%E5%90%88"><span class="toc-text">集合</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%AD%98%E5%9C%A8"><span class="toc-text">存在</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%B8%8C%E8%85%8A%E5%AD%97%E6%AF%8D"><span class="toc-text">希腊字母</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%AE%AD%E5%A4%B4"><span class="toc-text">箭头</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%9C%81%E7%95%A5%E5%8F%B7"><span class="toc-text">省略号</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%A4%B4%E9%A1%B6%E7%AC%A6%E5%8F%B7"><span class="toc-text">头顶符号</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%A0%87%E5%87%86%E6%8B%AC%E5%8F%B7"><span class="toc-text">标准括号</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%8F%96%E6%95%B4%E6%8B%AC%E5%8F%B7%EF%BC%88%E5%87%BD%E6%95%B0%EF%BC%89"><span class="toc-text">取整括号(函数)</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%A9%BA%E6%A0%BC"><span class="toc-text">空格</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%B8%8A%E6%A0%87%E4%B8%8E%E4%B8%8B%E6%A0%87"><span class="toc-text">上标与下标</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%B8%8A%E5%88%92%E7%BA%BF%E4%B8%8B%E5%88%92%E7%BA%BF"><span class="toc-text">上划线下划线</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%88%86%E5%BC%8F"><span class="toc-text">分式</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%A0%B9%E5%BC%8F"><span class="toc-text">根式</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0"><span class="toc-text">三角函数</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%B1%82%E5%92%8C-%E6%B1%82%E7%A7%AF-%E6%B1%82%E6%9E%81%E9%99%90"><span class="toc-text">求和 求积 求极限</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%B1%82%E7%A7%AF%E5%88%86-%E5%81%8F%E5%AF%BC"><span class="toc-text">求积分 偏导</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%BB%9D%E5%AF%B9%E5%80%BC"><span class="toc-text">绝对值</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%9F%A9%E9%98%B5%E5%92%8C%E8%A1%8C%E5%88%97%E5%BC%8F"><span class="toc-text">矩阵和行列式</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#matrix"><span class="toc-text">matrix</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#pmatrix"><span class="toc-text">pmatrix</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#bmatrix"><span class="toc-text">bmatrix</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Bmatrix"><span class="toc-text">Bmatrix</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#vmatrix"><span class="toc-text">vmatrix</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Vmatrix"><span class="toc-text">Vmatrix</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%B8%A6%E7%9C%81%E7%95%A5%E5%8F%B7%E7%9A%84%E7%9F%A9%E9%98%B5"><span class="toc-text">带省略号的矩阵</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%9F%A9%E9%98%B5%E6%96%B9%E7%A8%8B%EF%BC%88%E5%87%BD%E6%95%B0%EF%BC%89"><span class="toc-text">矩阵方程(函数)</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%85%B6%E4%BB%96%E7%AC%A6%E5%8F%B7"><span class="toc-text">其他符号</span></a></li></ol></div></section></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div 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