sqrt square root

## Syntax

    y=sqrt(x)

## Arguments

x

  real or complex scalar or vector/matrix

## Description

`sqrt(x)` is the vector/matrix of the square root of the `x` elements. Result is complex if element of `x` is negative.

## Examples

        A = matrix(4:4:16,2,2)
        sqrt(A)
        sqrt(-1)

## See also

- hat
- sqrtm