Homework Four Due Consult LMS for a due date

Please do the problem 4.1, you do not need to write your answers.

1. Problem 4.2
2. Problem 4.4 (which is the problem 4.12 in the first edition). If you have troubles with general $n\times n4$ matrices, try $n=3$, $n=4$ and $n=5$, you will see a pattern that will allow you to do general case
3. Problem 4.5 (which is 4.7 in the First Edition).
4. Problem 4.19
5. Problem 4.27
6. Extra Credit 20 percent 4.23 (which is 4.15 in the first editition). Use MATLAB to support your arguments