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

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