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[] | Array | Matrix	The expression to be compiled

Returns

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

Examples

const code1 = math.compile('sqrt(3^2 + 4^2)')
code1.eval() // 5

let scope = {a: 3, b: 4}
const code2 = math.compile('a * b') // 12
code2.eval(scope) // 12
scope.a = 5
code2.eval(scope) // 20

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

See also

parse, eval