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mathjs

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Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

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'use strict' /** * Test whether a value is a Matrix * @param {*} x * @returns {boolean} returns true with input is a Matrix * (like a DenseMatrix or SparseMatrix) */ module.exports = function isMatrix (x) { return (x && x.constructor.prototype.isMatrix) || false }