Here is the Assignment #4  

Textbook "Essentials of Robust Control" by Kemin Zhou

Page 181: Problem 9.1, Problem 9.2, Problem 9.3, Problem 9.4;
Pages 217-220:
    Problem 10.1,
    Problem 10.3,
    Problem 10.4, (2-block problem)
    Problem 10.5, (4-block problem)
    Problem 10.12

You can use MATLAB whenever necessary but detailed procedures are
needed.