Here is the Assignment #3

Textbook "Essentials of Robust Control" by Kemin Zhou

Page 103: Problem 6.10; [Hint: use H_inf lower bound after (6.17) on
page 100.] Interpret the lower bound you calculated.
Pages 127-128: Problem 7.1, Problem 7.2, Problem 7.8.
Pages 158-163: Problem 8.1, Problem 8.9, Problem 8.18

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