# cosh

Computes the hyperbolic cosine in radians for each element of x.

## Syntax

* res = cosh(x)

## Input argument

* x - a numeric value

## Output argument

* res - a numeric value

## Description

**cosh** computes the hyperbolic cosine in radians for each element of **x**.

## Example

```matlab
A = eye(3, 3);
res = cosh(A)
```

## See also

[acos](acos), [cos](cos).

## History

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

## Author

Allan CORNET
