@stdlib/array

# base > Base (i.e., lower-level) array utilities. <section class="usage"> ## Usage ```javascript var ns = require( '@stdlib/array/base' ); ``` #### ns Array utilities. ```javascript var o = ns; // returns {...} ``` The namespace exports the following:  <div class="namespace-toc"> - [`accessorGetter( dtype )`][@stdlib/array/base/accessor-getter]: return an accessor function for retrieving an element from an array-like object supporting the get/set protocol. - [`accessorSetter( dtype )`][@stdlib/array/base/accessor-setter]: return an accessor function for setting an element in an array-like object supporting the get/set protocol. - [`AccessorArray( arr )`][@stdlib/array/base/accessor]: create a minimal array-like object supporting the accessor protocol from another array-like object. - [`accessors( x )`][@stdlib/array/base/accessors]: return element accessors for a provided array-like object. - [`anyByRight( x, predicate[, thisArg] )`][@stdlib/array/base/any-by-right]: test whether at least one element in an array passes a test implemented by a predicate function, while iterating from right to left. - [`anyBy( x, predicate[, thisArg] )`][@stdlib/array/base/any-by]: test whether at least one element in an array passes a test implemented by a predicate function. - [`any( x )`][@stdlib/array/base/any]: test whether at least one element in an array is truthy. - [`arraylike2object( x )`][@stdlib/array/base/arraylike2object]: convert an array-like object to an object likely to have the same "shape". - [`assert`][@stdlib/array/base/assert]: base array assertion utilities. - [`at( x, index )`][@stdlib/array/base/at]: return an element from an array. - [`at2d( x, i0, i1 )`][@stdlib/array/base/at2d]: return an element from a two-dimensional nested array. - [`at3d( x, i0, i1, i2 )`][@stdlib/array/base/at3d]: return an element from a three-dimensional nested array. - [`at4d( x, i0, i1, i2, i3 )`][@stdlib/array/base/at4d]: return an element from a four-dimensional nested array. - [`at5d( x, i0, i1, i2, i3, i4 )`][@stdlib/array/base/at5d]: return an element from a five-dimensional nested array. - [`atnd( x, i0[, ...indices] )`][@stdlib/array/base/atnd]: return an element from an n-dimensional nested array. - [`bifurcateEntriesBy( x, predicate[, thisArg] )`][@stdlib/array/base/bifurcate-entries-by]: split element entries into two groups according to a predicate function. - [`bifurcateEntries( x, filter )`][@stdlib/array/base/bifurcate-entries]: split array element entries into two groups. - [`bifurcateIndicesBy( x, predicate[, thisArg] )`][@stdlib/array/base/bifurcate-indices-by]: split element indices into two groups according to a predicate function. - [`bifurcateIndices( x, filter )`][@stdlib/array/base/bifurcate-indices]: split array element indices into two groups. - [`bifurcateValuesBy( x, predicate[, thisArg] )`][@stdlib/array/base/bifurcate-values-by]: split element values into two groups according to a predicate function. - [`bifurcateValues( x, filter )`][@stdlib/array/base/bifurcate-values]: split array element values into two groups. - [`binary2d( arrays, shape, fcn )`][@stdlib/array/base/binary2d]: apply a binary callback to elements in two two-dimensional nested input arrays and assign results to elements in a two-dimensional nested output array. - [`binary3d( arrays, shape, fcn )`][@stdlib/array/base/binary3d]: apply a binary callback to elements in two three-dimensional nested input arrays and assign results to elements in a three-dimensional nested output array. - [`binary4d( arrays, shape, fcn )`][@stdlib/array/base/binary4d]: apply a binary callback to elements in two four-dimensional nested input arrays and assign results to elements in a four-dimensional nested output array. - [`binary5d( arrays, shape, fcn )`][@stdlib/array/base/binary5d]: apply a binary callback to elements in two five-dimensional nested input arrays and assign results to elements in a five-dimensional nested output array. - [`binarynd( arrays, shape, fcn )`][@stdlib/array/base/binarynd]: apply a binary callback to elements in two n-dimensional nested input arrays and assign results to elements in an n-dimensional nested output array. - [`broadcastArray( x, inShape, outShape )`][@stdlib/array/base/broadcast-array]: broadcast an array to a specified shape. - [`bbinary2d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-binary2d]: apply a binary callback to elements in two broadcasted nested input arrays and assign results to elements in a two-dimensional nested output array. - [`bbinary3d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-binary3d]: apply a binary callback to elements in two broadcasted nested input arrays and assign results to elements in a three-dimensional nested output array. - [`bbinary4d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-binary4d]: apply a binary callback to elements in two broadcasted nested input arrays and assign results to elements in a four-dimensional nested output array. - [`bbinary5d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-binary5d]: apply a binary callback to elements in two broadcasted nested input arrays and assign results to elements in a five-dimensional nested output array. - [`bquaternary2d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-quaternary2d]: apply a quaternary callback to elements in four broadcasted nested input arrays and assign results to elements in a two-dimensional nested output array. - [`bquinary2d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-quinary2d]: apply a quinary callback to elements in four broadcasted nested input arrays and assign results to elements in a two-dimensional nested output array. - [`bternary2d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-ternary2d]: apply a ternary callback to elements in three broadcasted nested input arrays and assign results to elements in a two-dimensional nested output array. - [`bunary2d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-unary2d]: apply a unary callback to elements in a broadcasted nested input array and assign results to elements in a two-dimensional nested output array. - [`bunary3d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-unary3d]: apply a unary callback to elements in a broadcasted nested input array and assign results to elements in a three-dimensional nested output array. - [`bunary4d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-unary4d]: apply a unary callback to elements in a broadcasted nested input array and assign results to elements in a four-dimensional nested output array. - [`bunary5d( arrays, shapes, fcn )`][@stdlib/array/base/broadcasted-unary5d]: apply a unary callback to elements in a broadcasted nested input array and assign results to elements in a five-dimensional nested output array. - [`cartesianPower( x, n )`][@stdlib/array/base/cartesian-power]: return the Cartesian power. - [`cartesianProduct( x1, x2 )`][@stdlib/array/base/cartesian-product]: return the Cartesian product. - [`cartesianSquare( x )`][@stdlib/array/base/cartesian-square]: return the Cartesian square. - [`copyIndexed( x )`][@stdlib/array/base/copy-indexed]: copy the elements of an indexed array-like object to a new "generic" array. - [`copy( x )`][@stdlib/array/base/copy]: copy the elements of an array-like object to a new "generic" array. - [`countFalsy( x )`][@stdlib/array/base/count-falsy]: count the number of falsy elements in an array. - [`countIf( x, predicate[, thisArg] )`][@stdlib/array/base/count-if]: count the number of elements in an array which pass a test implemented by a predicate function. - [`countSameValueZero( x, value )`][@stdlib/array/base/count-same-value-zero]: count the number of elements in an array that are equal to a specified value. - [`countSameValue( x, value )`][@stdlib/array/base/count-same-value]: count the number of elements in an array that are equal to a specified value. - [`countTruthy( x )`][@stdlib/array/base/count-truthy]: count the number of truthy elements in an array. - [`cuany( x )`][@stdlib/array/base/cuany]: cumulatively test whether at least one element in a provided array is truthy. - [`cuevery( x )`][@stdlib/array/base/cuevery]: cumulatively test whether every element in a provided array is truthy. - [`cunone( x )`][@stdlib/array/base/cunone]: cumulatively test whether every element in a provided array is falsy. - [`dedupe( x, limit, equalNaNs )`][@stdlib/array/base/dedupe]: remove consecutive duplicated values. - [`everyByRight( x, predicate[, thisArg] )`][@stdlib/array/base/every-by-right]: test whether all elements in an array pass a test implemented by a predicate function, iterating from right to left. - [`everyBy( x, predicate[, thisArg] )`][@stdlib/array/base/every-by]: test whether all elements in an array pass a test implemented by a predicate function. - [`every( x )`][@stdlib/array/base/every]: test whether all elements in an array are truthy. - [`fancySliceAssign( x, y, s, strict )`][@stdlib/array/base/fancy-slice-assign]: assign element values from a broadcasted input array to corresponding elements in an output array. - [`fancySlice( x, s, strict )`][@stdlib/array/base/fancy-slice]: return a shallow copy of a portion of an array. - [`filledBy( len, clbk[, thisArg] )`][@stdlib/array/base/filled-by]: create a filled "generic" array according to a provided callback function. - [`filled( value, len )`][@stdlib/array/base/filled]: create a filled "generic" array. - [`filled2dBy( shape, clbk[, thisArg] )`][@stdlib/array/base/filled2d-by]: create a filled two-dimensional nested array according to a provided callback function. - [`filled2d( value, shape )`][@stdlib/array/base/filled2d]: create a filled two-dimensional nested array. - [`filled3dBy( shape, clbk[, thisArg] )`][@stdlib/array/base/filled3d-by]: create a filled three-dimensional nested array according to a provided callback function. - [`filled3d( value, shape )`][@stdlib/array/base/filled3d]: create a filled three-dimensional nested array. - [`filled4dBy( shape, clbk[, thisArg] )`][@stdlib/array/base/filled4d-by]: create a filled four-dimensional nested array according to a provided callback function. - [`filled4d( value, shape )`][@stdlib/array/base/filled4d]: create a filled four-dimensional nested array. - [`filled5dBy( shape, clbk[, thisArg] )`][@stdlib/array/base/filled5d-by]: create a filled five-dimensional nested array according to a provided callback function. - [`filled5d( value, shape )`][@stdlib/array/base/filled5d]: create a filled five-dimensional nested array. - [`filledndBy( shape, clbk[, thisArg] )`][@stdlib/array/base/fillednd-by]: create a filled n-dimensional nested array according to a provided callback function. - [`fillednd( value, shape )`][@stdlib/array/base/fillednd]: create a filled n-dimensional nested array. - [`filter( x, predicate[, thisArg] )`][@stdlib/array/base/filter]: return a shallow copy of an array containing only those elements which pass a test implemented by a predicate function. - [`first( x )`][@stdlib/array/base/first]: return the first element of an array-like object. - [`flattenBy( x, shape, colexicographic, clbk[, thisArg] )`][@stdlib/array/base/flatten-by]: flatten an n-dimensional nested array according to a callback function. - [`flatten( x, shape, colexicographic )`][@stdlib/array/base/flatten]: flatten an n-dimensional nested array. - [`flatten2dBy( x, shape, colexicographic, clbk[, thisArg] )`][@stdlib/array/base/flatten2d-by]: flatten a two-dimensional nested array according to a callback function. - [`flatten2d( x, shape, colexicographic )`][@stdlib/array/base/flatten2d]: flatten a two-dimensional nested array. - [`flatten3dBy( x, shape, colexicographic, clbk[, thisArg] )`][@stdlib/array/base/flatten3d-by]: flatten a three-dimensional nested array according to a callback function. - [`flatten3d( x, shape, colexicographic )`][@stdlib/array/base/flatten3d]: flatten a three-dimensional nested array. - [`flatten4dBy( x, shape, colexicographic, clbk[, thisArg] )`][@stdlib/array/base/flatten4d-by]: flatten a four-dimensional nested array according to a callback function. - [`flatten4d( x, shape, colexicographic )`][@stdlib/array/base/flatten4d]: flatten a four-dimensional nested array. - [`flatten5dBy( x, shape, colexicographic, clbk[, thisArg] )`][@stdlib/array/base/flatten5d-by]: flatten a five-dimensional nested array according to a callback function. - [`flatten5d( x, shape, colexicographic )`][@stdlib/array/base/flatten5d]: flatten a five-dimensional nested array. - [`fliplr2d( x )`][@stdlib/array/base/fliplr2d]: reverse the order of elements along the last dimension of a two-dimensional nested input array. - [`fliplr3d( x )`][@stdlib/array/base/fliplr3d]: reverse the order of elements along the last dimension of a three-dimensional nested input array. - [`fliplr4d( x )`][@stdlib/array/base/fliplr4d]: reverse the order of elements along the last dimension of a four-dimensional nested input array. - [`fliplr5d( x )`][@stdlib/array/base/fliplr5d]: reverse the order of elements along the last dimension of a five-dimensional nested input array. - [`flipud2d( x )`][@stdlib/array/base/flipud2d]: reverse the order of elements along the first dimension of a two-dimensional nested input array. - [`flipud3d( x )`][@stdlib/array/base/flipud3d]: reverse the order of elements along the second-to-last dimension of a three-dimensional nested input array. - [`flipud4d( x )`][@stdlib/array/base/flipud4d]: reverse the order of elements along the second-to-last dimension of a four-dimensional nested input array. - [`flipud5d( x )`][@stdlib/array/base/flipud5d]: reverse the order of elements along the second-to-last dimension of a five-dimensional nested input array. - [`strided2array( N, x, stride, offset )`][@stdlib/array/base/from-strided]: convert a strided array to a non-strided generic array. - [`getter( dtype )`][@stdlib/array/base/getter]: return an accessor function for retrieving an element from an indexed array-like object. - [`groupEntriesBy( x, indicator[, thisArg] )`][@stdlib/array/base/group-entries-by]: group element entries according to an indicator function. - [`groupEntries( x, groups )`][@stdlib/array/base/group-entries]: group element entries as arrays associated with distinct keys. - [`groupIndicesBy( x, indicator[, thisArg] )`][@stdlib/array/base/group-indices-by]: group element indices according to an indicator function. - [`groupIndices( x, groups )`][@stdlib/array/base/group-indices]: group element indices as arrays associated with distinct keys. - [`groupValuesBy( x, indicator[, thisArg] )`][@stdlib/array/base/group-values-by]: group element values according to an indicator function. - [`groupValues( x, groups )`][@stdlib/array/base/group-values]: group elements as arrays associated with distinct keys. - [`incrspace( start, stop, increment )`][@stdlib/array/base/incrspace]: generate a linearly spaced numeric array according to a provided increment. - [`indexOf( x, searchElement, fromIndex, equalNaNs )`][@stdlib/array/base/index-of]: return the index of the first element which equals a provided search element. - [`join( x, separator )`][@stdlib/array/base/join]: return a string created by joining array elements using a specified separator. - [`lastIndexOf( x, searchElement, fromIndex, equalNaNs )`][@stdlib/array/base/last-index-of]: return the index of the last element which equals a provided search element. - [`last( x )`][@stdlib/array/base/last]: return the last element of an array-like object. - [`linspace( start, stop, length )`][@stdlib/array/base/linspace]: generate a linearly spaced numeric array. - [`logspace( a, b, length )`][@stdlib/array/base/logspace]: generate a logarithmically spaced numeric array. - [`map2d( x, shape, fcn[, thisArg] )`][@stdlib/array/base/map2d]: apply a function to elements in a two-dimensional nested input array and assign results to elements in a new two-dimensional nested output array. - [`map3d( x, shape, fcn[, thisArg] )`][@stdlib/array/base/map3d]: apply a function to elements in a three-dimensional nested input array and assign results to elements in a new three-dimensional nested output array. - [`map4d( x, shape, fcn[, thisArg] )`][@stdlib/array/base/map4d]: apply a function to elements in a four-dimensional nested input array and assign results to elements in a new four-dimensional nested output array. - [`map5d( x, shape, fcn[, thisArg] )`][@stdlib/array/base/map5d]: apply a function to elements in a five-dimensional nested input array and assign results to elements in a new five-dimensional nested output array. - [`minSignedIntegerDataType( value )`][@stdlib/array/base/min-signed-integer-dtype]: determine the minimum array data type for storing a provided signed integer value. - [`minUnsignedIntegerDataType( value )`][@stdlib/array/base/min-unsigned-integer-dtype]: determine the minimum array data type for storing a provided unsigned integer value. - [`mskbinary2d( arrays, shape, fcn )`][@stdlib/array/base/mskbinary2d]: apply a binary callback to elements in two two-dimensional nested input arrays according to elements in a two-dimensional nested mask array and assign results to elements in a two-dimensional nested output array. - [`mskfilter( x, mask )`][@stdlib/array/base/mskfilter]: apply a mask to a provided input array. - [`mskput( x, mask, values, mode )`][@stdlib/array/base/mskput]: replace elements of an array with provided values according to a provided mask array. - [`mskreject( x, mask )`][@stdlib/array/base/mskreject]: apply a mask to a provided input array. - [`mskunary2d( arrays, shape, fcn )`][@stdlib/array/base/mskunary2d]: apply a unary callback to elements in a two-dimensional nested input array according to elements in a two-dimensional nested mask array and assign results to elements in a two-dimensional nested output array. - [`mskunary3d( arrays, shape, fcn )`][@stdlib/array/base/mskunary3d]: apply a unary callback to elements in a three-dimensional nested input array according to elements in a three-dimensional nested mask array and assign results to elements in a three-dimensional nested output array. - [`nCartesianProduct( x1, x2[, ...xN] )`][@stdlib/array/base/n-cartesian-product]: return the n-fold Cartesian product. - [`noneByRight( x, predicate[, thisArg] )`][@stdlib/array/base/none-by-right]: test whether all elements in an array fail a test implemented by a predicate function, iterating from right to left. - [`noneBy( x, predicate[, thisArg] )`][@stdlib/array/base/none-by]: test whether all elements in an array fail a test implemented by a predicate function. - [`none( x )`][@stdlib/array/base/none]: test whether all elements in an array are falsy. - [`oneTo( n )`][@stdlib/array/base/one-to]: generate a linearly spaced numeric array whose elements increment by 1 starting from one. - [`ones( len )`][@stdlib/array/base/ones]: create a "generic" array filled with ones. - [`ones2d( shape )`][@stdlib/array/base/ones2d]: create a two-dimensional nested array filled with ones. - [`ones3d( shape )`][@stdlib/array/base/ones3d]: create a three-dimensional nested array filled with ones. - [`ones4d( shape )`][@stdlib/array/base/ones4d]: create a four-dimensional nested array filled with ones. - [`ones5d( shape )`][@stdlib/array/base/ones5d]: create a five-dimensional nested array filled with ones. - [`onesnd( shape )`][@stdlib/array/base/onesnd]: create an n-dimensional nested array filled with ones. - [`place( x, mask, values, mode )`][@stdlib/array/base/place]: replace elements of an array with provided values according to a provided mask array. - [`put( x, indices, values, mode )`][@stdlib/array/base/put]: replace specified elements of an array with provided values. - [`quaternary2d( arrays, shape, fcn )`][@stdlib/array/base/quaternary2d]: apply a quaternary callback to elements in four two-dimensional nested input arrays and assign results to elements in a two-dimensional nested output array. - [`quaternary3d( arrays, shape, fcn )`][@stdlib/array/base/quaternary3d]: apply a quaternary callback to elements in four three-dimensional nested input arrays and assign results to elements in a three-dimensional nested output array. - [`quaternary4d( arrays, shape, fcn )`][@stdlib/array/base/quaternary4d]: apply a quaternary callback to elements in four four-dimensional nested input arrays and assign results to elements in a four-dimensional nested output array. - [`quaternary5d( arrays, shape, fcn )`][@stdlib/array/base/quaternary5d]: apply a quaternary callback to elements in four five-dimensional nested input arrays and assign results to elements in a five-dimensional nested output array. - [`quinary2d( arrays, shape, fcn )`][@stdlib/array/base/quinary2d]: apply a quinary callback to elements in five two-dimensional nested input arrays and assign results to elements in a two-dimensional nested output array. - [`quinary3d( arrays, shape, fcn )`][@stdlib/array/base/quinary3d]: apply a quinary callback to elements in five three-dimensional nested input arrays and assign results to elements in a three-dimensional nested output array. - [`quinary4d( arrays, shape, fcn )`][@stdlib/array/base/quinary4d]: apply a quinary callback to elements in five four-dimensional nested input arrays and assign results to elements in a four-dimensional nested output array. - [`quinary5d( arrays, shape, fcn )`][@stdlib/array/base/quinary5d]: apply a quinary callback to elements in five five-dimensional nested input arrays and assign results to elements in a five-dimensional nested output array. - [`reject( x, predicate[, thisArg] )`][@stdlib/array/base/reject]: return a shallow copy of an array containing only those elements which fail a test implemented by a predicate function. - [`removeAt( x, index )`][@stdlib/array/base/remove-at]: remove an element from an array. - [`resolveGetter( x )`][@stdlib/array/base/resolve-getter]: return an accessor function for retrieving an element from an array-like object. - [`resolveSetter( x )`][@stdlib/array/base/resolve-setter]: return an accessor function for setting an element in an array-like object. - [`reverse( x )`][@stdlib/array/base/reverse]: reverse an array in-place. - [`setter( dtype )`][@stdlib/array/base/setter]: return an accessor function for setting an element in an indexed array-like object. - [`slice( x, start, end )`][@stdlib/array/base/slice]: return a shallow copy of a portion of an array. - [`strided2array2d( x, shape, strides, offset )`][@stdlib/array/base/strided2array2d]: convert a strided array to a two-dimensional nested array. - [`strided2array3d( x, shape, strides, offset )`][@stdlib/array/base/strided2array3d]: convert a strided array to a three-dimensional nested array. - [`strided2array4d( x, shape, strides, offset )`][@stdlib/array/base/strided2array4d]: convert a strided array to a four-dimensional nested array. - [`strided2array5d( x, shape, strides, offset )`][@stdlib/array/base/strided2array5d]: convert a strided array to a five-dimensional nested array. - [`takeIndexed( x, indices )`][@stdlib/array/base/take-indexed]: take elements from an indexed array. - [`take( x, indices, mode )`][@stdlib/array/base/take]: take elements from an array. - [`take2d( x, indices, dimension, mode )`][@stdlib/array/base/take2d]: take elements from a two-dimensional nested array. - [`take3d( x, indices, dimension, mode )`][@stdlib/array/base/take3d]: take elements from a three-dimensional nested array. - [`ternary2d( arrays, shape, fcn )`][@stdlib/array/base/ternary2d]: apply a ternary callback to elements in three two-dimensional nested input arrays and assign results to elements in a two-dimensional nested output array. - [`ternary3d( arrays, shape, fcn )`][@stdlib/array/base/ternary3d]: apply a ternary callback to elements in three three-dimensional nested input arrays and assign results to elements in a three-dimensional nested output array. - [`ternary4d( arrays, shape, fcn )`][@stdlib/array/base/ternary4d]: apply a ternary callback to elements in three four-dimensional nested input arrays and assign results to elements in a four-dimensional nested output array. - [`ternary5d( arrays, shape, fcn )`][@stdlib/array/base/ternary5d]: apply a ternary callback to elements in three five-dimensional nested input arrays and assign results to elements in a five-dimensional nested output array. - [`toAccessorArray( arr )`][@stdlib/array/base/to-accessor-array]: convert an array-like object to a minimal array-like object supporting the accessor protocol. - [`toDeduped( x, limit, equalNaNs )`][@stdlib/array/base/to-deduped]: copy elements to a new "generic" array after removing consecutive duplicated values. - [`toReversed( x )`][@stdlib/array/base/to-reversed]: return a new array with elements in reverse order. - [`unary2dBy( arrays, shape, fcn, clbk[, thisArg] )`][@stdlib/array/base/unary2d-by]: apply a unary function to each element retrieved from a two-dimensional nested input array according to a callback function and assign results to elements in a two-dimensional nested output array. - [`unary2d( arrays, shape, fcn )`][@stdlib/array/base/unary2d]: apply a unary callback to elements in a two-dimensional nested input array and assign results to elements in a two-dimensional nested output array. - [`unary3d( arrays, shape, fcn )`][@stdlib/array/base/unary3d]: apply a unary callback to elements in a three-dimensional nested input array and assign results to elements in a three-dimensional nested output array. - [`unary4d( arrays, shape, fcn )`][@stdlib/array/base/unary4d]: apply a unary callback to elements in a four-dimensional nested input array and assign results to elements in a four-dimensional nested output array. - [`unary5d( arrays, shape, fcn )`][@stdlib/array/base/unary5d]: apply a unary callback to elements in a five-dimensional nested input array and assign results to elements in a five-dimensional nested output array. - [`unarynd( arrays, shape, fcn )`][@stdlib/array/base/unarynd]: apply a unary callback to elements in an n-dimensional nested input array and assign results to elements in an n-dimensional nested output array. - [`unitspace( start, stop )`][@stdlib/array/base/unitspace]: generate a linearly spaced numeric array whose elements increment by 1. - [`where( condition, x, y )`][@stdlib/array/base/where]: take elements from either one of two arrays depending on a condition. - [`arrayWith( x, index, value )`][@stdlib/array/base/with]: return a new array with the element at the specified index replaced with a provided value. - [`without( x, index )`][@stdlib/array/base/without]: return a new array containing every element from an input array, except for the element at a specified index. - [`zeroTo( n )`][@stdlib/array/base/zero-to]: generate a linearly spaced numeric array whose elements increment by 1 starting from zero. - [`zeros( len )`][@stdlib/array/base/zeros]: create a zero-filled "generic" array. - [`zeros2d( shape )`][@stdlib/array/base/zeros2d]: create a zero-filled two-dimensional nested array. - [`zeros3d( shape )`][@stdlib/array/base/zeros3d]: create a zero-filled three-dimensional nested array. - [`zeros4d( shape )`][@stdlib/array/base/zeros4d]: create a zero-filled four-dimensional nested array. - [`zeros5d( shape )`][@stdlib/array/base/zeros5d]: create a zero-filled five-dimensional nested array. - [`zerosnd( shape )`][@stdlib/array/base/zerosnd]: create a zero-filled n-dimensional nested array. </div>  </section>  <section class="examples"> ## Examples  ```javascript var randu = require( '@stdlib/random/base/randu' ); var ns = require( '@stdlib/array/base' ); // Create a zero-filled array: var zeros = ns.zeros( 5 ); // returns [ 0, 0, 0, 0, 0 ] // Create an array filled with a specific value: var filled = ns.filled( 7, 4 ); // returns [ 7, 7, 7, 7 ] // Create a linearly spaced array: var linear = ns.linspace( 0, 1, 5 ); // returns [ 0, 0.25, 0.5, 0.75, 1 ] // Create a two-dimensional array: var arr2d = ns.ones2d( [ 2, 3 ] ); // returns [ [ 1, 1, 1 ], [ 1, 1, 1 ] ] // Map a function over a 2D array: var squared = ns.map2d( arr2d, [ 2, 3 ], randu ); // e.g., returns [ [ ~0.123, ~0.789, ~0.456 ], [ ~0.321, ~0.654, ~0.987 ] ] ``` </section>   <section class="related"> </section>   <section class="links">  [@stdlib/array/base/accessor-getter]: https://github.com/stdlib-js/array/tree/main/base/accessor-getter [@stdlib/array/base/accessor-setter]: https://github.com/stdlib-js/array/tree/main/base/accessor-setter [@stdlib/array/base/accessor]: https://github.com/stdlib-js/array/tree/main/base/accessor [@stdlib/array/base/accessors]: https://github.com/stdlib-js/array/tree/main/base/accessors [@stdlib/array/base/any-by-right]: https://github.com/stdlib-js/array/tree/main/base/any-by-right [@stdlib/array/base/any-by]: https://github.com/stdlib-js/array/tree/main/base/any-by [@stdlib/array/base/any]: https://github.com/stdlib-js/array/tree/main/base/any [@stdlib/array/base/arraylike2object]: https://github.com/stdlib-js/array/tree/main/base/arraylike2object [@stdlib/array/base/assert]: https://github.com/stdlib-js/array/tree/main/base/assert [@stdlib/array/base/at]: https://github.com/stdlib-js/array/tree/main/base/at [@stdlib/array/base/at2d]: https://github.com/stdlib-js/array/tree/main/base/at2d [@stdlib/array/base/at3d]: https://github.com/stdlib-js/array/tree/main/base/at3d [@stdlib/array/base/at4d]: https://github.com/stdlib-js/array/tree/main/base/at4d [@stdlib/array/base/at5d]: https://github.com/stdlib-js/array/tree/main/base/at5d [@stdlib/array/base/atnd]: https://github.com/stdlib-js/array/tree/main/base/atnd [@stdlib/array/base/bifurcate-entries-by]: https://github.com/stdlib-js/array/tree/main/base/bifurcate-entries-by [@stdlib/array/base/bifurcate-entries]: https://github.com/stdlib-js/array/tree/main/base/bifurcate-entries [@stdlib/array/base/bifurcate-indices-by]: https://github.com/stdlib-js/array/tree/main/base/bifurcate-indices-by [@stdlib/array/base/bifurcate-indices]: https://github.com/stdlib-js/array/tree/main/base/bifurcate-indices [@stdlib/array/base/bifurcate-values-by]: https://github.com/stdlib-js/array/tree/main/base/bifurcate-values-by [@stdlib/array/base/bifurcate-values]: https://github.com/stdlib-js/array/tree/main/base/bifurcate-values [@stdlib/array/base/binary2d]: https://github.com/stdlib-js/array/tree/main/base/binary2d [@stdlib/array/base/binary3d]: https://github.com/stdlib-js/array/tree/main/base/binary3d [@stdlib/array/base/binary4d]: https://github.com/stdlib-js/array/tree/main/base/binary4d [@stdlib/array/base/binary5d]: https://github.com/stdlib-js/array/tree/main/base/binary5d [@stdlib/array/base/binarynd]: https://github.com/stdlib-js/array/tree/main/base/binarynd [@stdlib/array/base/broadcast-array]: https://github.com/stdlib-js/array/tree/main/base/broadcast-array [@stdlib/array/base/broadcasted-binary2d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-binary2d [@stdlib/array/base/broadcasted-binary3d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-binary3d [@stdlib/array/base/broadcasted-binary4d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-binary4d [@stdlib/array/base/broadcasted-binary5d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-binary5d [@stdlib/array/base/broadcasted-quaternary2d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-quaternary2d [@stdlib/array/base/broadcasted-quinary2d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-quinary2d [@stdlib/array/base/broadcasted-ternary2d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-ternary2d [@stdlib/array/base/broadcasted-unary2d]: https://github.com/stdlib-js/array/tree/main/base/broadcasted-unary2d [@stdlib/array/base/broadcasted-unary3d]: https://github.c