# append

Appends the inputs and outputs of the two models.

## Syntax

* sys = append(sys1, sys2, ..., sysN)

## Input argument

* sys1, sys2, ..., sysN - LTI models.

## Output argument

* sys - LTI model.

## Description

sys = append(sys1, sys2, ..., sysN) combines the inputs and outputs of models sys1 through sysN, creating an augmented model represented by sys.

## Example

```matlab
sys1 = tf(1,[1 0]);
sys2 = tf([1 -1], [4 2]);
sys = append(sys1, 10, sys2)
```

## See also

[feedback](feedback), [series](series).

## History

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

## Author

Allan CORNET
