Math 215 -- Introduction to Linear Algebra

Old announcements

• Exam 3 will cover everything up to and including 6.1. I will hold extra office hours on Monday 11/21 from 3:30 - 5:30pm.

• Homework due 11/22
  Section 6.1: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 31

• Homework due 11/17
  Section 5.3: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 31
  Turn in this homework

• Homework due 11/15
  Section 5.2: 1, 3, 5, 7, 9, 11, 13, 15, 17, 21

• Homework due 11/10
  Section 5.1: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23 (Hint: has to do with linear independence), 25, 29, 31, 35
  Practice problems 1, 2

• Homework due 11/8
  Section 4.6: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 27

• Homework due 11/3
  Section 4.5: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 25, 27, 29
  Turn in this homework

• Homework due 11/1
  Section 4.4: 1, 3, 5, 7, 9, 11, 13, 15, 17, 21, 27, 29, 31
  Turn in 32

• Homework due 10/27
  Section 4.3: 1, 3, 5, 7, 9, 11, 13, 15, 19, 21, 25, 33
  Turn in 34

• Homework due 10/25
  Section 4.2: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 31
  Turn in 32, 34

• Homework due 10/20
  Section 4.1: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 31
  Turn in 16, 18, 20

• A review session for Exam 2 will be held on Wed, Oct 12. It will be in Math East 241.

• Homework due 10/13
  Read 3.2
  Section 3.2: 5, 7, 9, 10, 11, 13, 15, 17, 19, 21, 23, 24, 25, 26, 29, 31, 33, 35, 39

• Exam 2 will be on Thursday, Oct 13. It will cover everything up to and including Section 3.2.

• Homework due 10/11
  Read 3.1
  Please pay attention to (i) the first page, and (ii) definition of cofactors
  Section 3.1: 1, 3, 5, 7, 9, 11, 13, 19, 21, 23, 25, 27, 29, 31, 32, 38

• Homework due 10/6
  Read 2.3
  Section 2.3: 1, 3, 5, 7, 11, 13, 14, 15, 17, 19, 21, 23, 29, 33, 37

• Homework due 10/4
  Read 2.2, especially elementary matrices
  Section 2.2: 1, 3, 7, 9, 11, 13, 15, 17, 19, 21, 25, 31, 33, 35

• Homework due 9/29
  Read Section 2.1, especially about product, powers, and transpose
  Section 2.1: 1, 3, 5, 7, 9, 11, 13, 17, 19, 21, 23, 27

• Homework due 9/24 9/27
  Section 1.9: 1,3,5,7,11,13,15,21,24,35,37

• Homework due 9/22
  Section 1.8: 1,3,5,6,7,9,11,15,22,23,31,33,37

• Exam 1 on 9/15
  Exam 1 will cover material up to and including 1.7.
  I will hold an extra office hour from 2-3pm on Wed 9/14.

• Homework due 9/15
  Section 1.7: 29,33,37
  Section 1.6: tba

• Homework due 9/13
  Section 1.7: 1,3,5,7,9,11,13,15,19,21,23,27
  Read Section 1.7

• Homework due Tue Thu 9/8
  Section 1.5: 1,3,5,7,11,13,15,17,19,21,23,33

• Homework due Tue 9/6
  Section 1.2: 7, 9, 11
  Section 1.3: 1, 5, 7, 9, 11, 13, 15, 21,27
  Section 1.4: 1,3,5,7,9,11,13,15,17,26,39

• Homework due Tue 8/30
  Section 1.1: 1, 3, 5, 9, 11, 13, 15, 17, 21, 25, 27, 29
  Section 1.2: 1, 3, 5, 15, 17, 19, 23, 25, 29, 31