- Use the “tf” function to define the transfer functions G1, G2, G3, G4, H1, H2, and H3.
- Use the “series” function to connect the blocks in series and the “feedback” function to connect the systems with a feedback connection, as shown in the code snippet below:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1582971/image.png)