# flipud

Returns R, which is the matrix, `m`,
with its rows flipped from top to bottom.

## Syntax

R = flipud(m)

## Inputs

`m`- Type: string | mat

## Outputs

- R
- Type: string | mat

## Example

Real matrix:

`R = flipud([1,2,3,4;5,6,7,8;9,10,11,12])`

```
R = [Matrix] 3 x 4
9 10 11 12
5 6 7 8
1 2 3 4
```