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javascript-cas

Javascript CAS is a simple computer algebra system designed for client-side use in web apps (and node.js).

Including math.js in your web pages will create a single global object M(str, context), which is a function that parses a latex expression string.

var y = M('x^2 + 3');

// Differentiate with respect to x
var dy = y.differentiate(y.unbound.x);

// Compile a javascript function
var fn = dy.compile('x');

// now evaluation of the deriviative is fast:
var x = fn(3.1); // Returns a javascript number.

Build Status Coverage Status

Features

  • Parsing latex expressions efficiently
  • Differentiation Export string representations of functions:
  • javascript: .s('text/javascript');
  • GLSL shaders: .s('x-shader/x-fragment');
  • Latex: .s('text/latex');
  • Complex Numbers
  • Sums
  • Vectors (dot products, cross products, gradient/curl etc).
  • Finding roots (intersections) (Not yet implemented)
  • Finding singularities (Not yet implemented)

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.