# sqrt

## Purpose

Square root.

## Synopsis

    Y = sqrt(X)

## Description

`sqrt(X)` is the square root of the elements of `X`. For the elements of `X` that are negative or complex, `sqrt(X)` produces complex results.

See `sqrtm` for the matrix square root.

## Examples

    sqrt((-2:2)')

    ans =
          0 + 1.4142i
          0 + 1.0000i
          0
     1.0000
     1.4142

## See Also

    exp, log, sqrtm

(c) Copyright 1994 by The MathWorks, Inc.