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
nthRoot(a)
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
nthRoot(9, 2); // returns 3, as 3^2 == 9
sqrt(9); // returns 3, as 3^2 == 9
nthRoot(64, 3); // returns 4, as 4^3 == 64