# sqrtm

Computes the matrix square root of a square matrix.

## Syntax

* res = sqrtm(x)

## Input argument

* x - a numeric value: scalar or square matrix (double or single)

## Output argument

* res - a numeric value: a square matrix

## Description

**expm(x)** computes the matrix square root of x.

## Example

```matlab
A = eye(3, 3);
res = sqrtm(A)
res = sqrtm(A+i)
```

## History

| Version | Description     |
| ------- | --------------- |
| 1.0.0   | initial version |

## Author

Allan CORNET
