Function compile
Parse and compile an expression.
Returns a an object with a function evaluate([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 |
| {evaluate: Function} | Array.<{evaluate: Function}> |
code An object with the compiled expression |
Throws
Examples
const code1 = math.compile('sqrt(3^2 + 4^2)')
code1.evaluate() // 5
let scope = {a: 3, b: 4}
const code2 = math.compile('a * b') // 12
code2.evaluate(scope) // 12
scope.a = 5
code2.evaluate(scope) // 20
const nodes = math.compile(['a = 3', 'b = 4', 'a * b'])
nodes[2].evaluate() // 12
See also
parse,
evaluate
