Monday, March 20
- Determinants
- Test 3 is Friday
- Written homework 2 due today at beginning of class
Tonight’s Homework
- Read Section 4.1
- Homework: Section 4.1 # 2, 3, 5 – 9: Section 4.2 # 13 – 22
Tuesday, March 21
- More on determinants
- Begin eigenvalues
Tonight’s Homework
- Read Sections 4.2 and 4.3
- Homework: Section 4.2 # 5, 11; Section 4.3 # 10, 11, 12, 15, 19
- Homework: Section 5.1 # 3, parts (i) and (ii)
Wednesday, March 22
- More on eigenvalues
- Test 3 covers 2.4, 2.5, 3.1 – 3.4, 4.1 – 4.3
Tonight’s Homework
- For Monday: Read Section 5.1
- Homework for Monday: Section 5.1 # 2, 3
Friday, March 24
- Test 3
- Sample Test 3: test3a-2015
- Answers: (1) [ 0 -1; 1 3], [3 1; -1 0], [2 1; -3 -2]. [1 0;-1 -1], T-1 = T.
(2) Theorem 3.9. (3) 4.3 # 15. (4) False – give counterexample (2.4 # 7). (5) False – give explicit counterexample.
Tonight’s Homework
- Read Section 5.1
- Homework: Section 5.1 # 2, 3