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

Examples #

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

See also #

sqrt, pow

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