mathjs/docs/reference/functions/compile.md

Function compile

Parse and compile an expression. Returns a an object with a function eval([scope]) to evaluate the compiled expression.

Syntax

math.compile(expr)                       // returns one node
math.compile([expr1, expr2, expr3, ...]) // returns an array with nodes

Parameters

Parameter	Type	Description
expr	String | String[] | Matrix	The expression to be compiled

Returns

Type	Description
{eval: Function} | Array.<{eval: Function}>	code An object with the compiled expression

Examples

var code = math.compile('sqrt(3^2 + 4^2)');
code.eval(); // 5

var scope = {a: 3, b: 4}
var code = math.compile('a * b'); // 12
code.eval(scope); // 12
scope.a = 5;
code.eval(scope); // 20

var nodes = math.compile(['a = 3', 'b = 4', 'a * b']);
nodes[2].eval(); // 12

See also

parse, eval