# EE364a: Homework

All Homework is due by 5 pm in the inbox across the hall from Packard 243. Late homework will not be accepted.

All numbered exercises are from the textbook; exercises which start with ‘A’ are from the set of additional exercises posted on the textbook website. Data files for the additional exercises can be found on the textbook page. Access to solutions requires SUNetID (Stanford University Network ID) to log in.

• Homework 1, due Friday 1/17/14:
2.5, 2.7, 2.12, 2.15, 2.23, and 2.28.
Hint for 2.28: A symmetric matrix is positive semidefinite if and only if all principal minors (determinants of submatrices obtained by selecting the same subset of rows and columns) are nonnegative.
Solutions.

• Homework 2, due Friday 1/24/14:
3.2, 3.15, 3.16, 4.1, A1.7, A2.2, A2.12, and A3.2.
Solutions.

• Homework 3, due Friday 1/31/14:
3.36(a), 3.49(a), 3.54, 4.8(a–e), 4.15, 5.1, A3.18, and A13.3.
Solutions.

• Homework 4, due Friday 2/7/14:
5.5, 5.13, 5.17, 6.2, A3.8, A4.1, A5.13, and A13.16.
Solutions.

• Homework 5, due Friday 2/14/14:
6.9, A3.9, A5.2, A5.15, A6.6, A6.10, and A13.9.
Solutions.

• Homework 6, due Friday 2/21/14:
7.8, A5.10, A8.5, A11.4, A16.10, A17.3, and A17.4.
Solutions.

• Homework 7, due Friday 2/28/14:
9.25(a), 9.30, 9.31, A8.3, A8.4, A14.8, A15.4, and A16.1.
Note for 9.25(a): You can assume is smooth.
Note for A14.8: If you would like to see the solution to this problem in practice, watch this video.
Solutions.

• Homework 8, due Tuesday 3/11/14:
8.16, A3.26, A3.28, and A9.5.
Solutions.