Function nthRoot #

Calculate the nth root of a value. The principal nth root of a positive real number A, is the positive real solution of the equation

x^root = A

For matrices, the function is evaluated element wise.

Syntax #

math.nthRoot(a)
math.nthRoot(a, root)

Parameters #

Parameter	Type	Description
`a`	number \| BigNumber \| Array \| Matrix \| Complex	Value for which to calculate the nth root
`root`	number \| BigNumber	The root. Default value: 2.

Returns #

Type	Description
number \| Complex \| Array \| Matrix	Returns the nth root of `a`

Throws #

Type | Description —- | ———–

Examples #

math.nthRoot(9, 2)    // returns 3 (since 3^2 == 9)
math.sqrt(9)          // returns 3 (since 3^2 == 9)
math.nthRoot(64, 3)   // returns 4 (since 4^3 == 64)