# cat

Joins the given arrays along a specified dimension, `dim`.

## Syntax

cat (dim, a...)

## Inputs

`dim`- Type: Positive, finite scalar
`a,...`- Matrices to be concatenated. All the matrices to be concatenated should have the same dimension.

## Outputs

- R
- Type: matrix

## Example

Concatenate example:

`R = cat(2,[1,2,5;6,1,2],[2,7,1;9,2,3])`

```
R = [Matrix] 2 x 6
1 2 5 2 7 1
6 1 2 9 2 3
```