Math 235: Linear Algebra

Spring 2011

General Information

Instructor: Chris Staecker (Personal Homepage)

Email: cstaecker@fairfield.edu

Office: BNW 16

Office Hours: T 10:30 - 11:00, 12:00 - 12:30; W 10:00 - 11:00, 12:00 - 1:00; F 9:00 - 9:30, 10:30 - 11:00, 12:00 - 12:30

Textbook: Linear Algebra by Fraleigh and Beauregard, 3rd edition

Class Meetings: TWF 11:00 - 11:50 BNW 138

Final Exam: Wednesday May 11, 8:00

Other Materials

Coming Attractions

1/26: Homework #1 due
Section 1.1: 1, 5, 6, 9, 13, 14, 15, 16, 22, 35, 36, 38, 42
Section 1.2: 1, 3, 7 (see Example 4), 9, 10, 12, 22, 24, 43
Selected solutions PDF
2/2: Homework #2 due
Section 1.3: 1, 2, 4, 7, 10, 19, 20 ("symmetric" is defined on p. 43), 22, 35, 38, 39, 40
Section 1.4: 1, 4, 6, 8, 14, 22
Selected solutions PDF
2/9: Homework #3 due
Section 1.4: 9, 10, 17, 23, 25, 43, 44, 47, 56
Section 1.5: 6a, 9, 14, 15, 16 (hint: A-1AC = C), 17, 23abei (give some words to support your answer)
Selected solutions PDF
2/16: Homework #4 due
Section 1.6: 1, 2, 7, 8, 16, 18, 23, 26, 31
Selected solutions PDF
2/23: Homework #5 due
Section 2.1: 1, 2, 10, 12, 13, 16, 21, 27
Section 2.2: 1, 5, 9, 12
Section 2.3: 1, 2, 3, 5, 9
Selected solutions PDF
2/25: Exam #1
 
3/9: Homework #6 due
Section 2.3: 13, 14, 18
Section 2.4: 4
Section 3.1: 1, 4, 6, 10, 11 (look up the definition of diagonal), 14
Selected solutions PDF
3/16: Homework #7 due
Section 3.1: 19 (you can use #3 if you want)
Section 3.2: 2, 3, 12, 16, 20, 22
Selected solutions PDF
3/30: Homework #8 due
Section 3.3: 1, 4, 7, 8, 10, 21
Section 3.4: 1, 2, 4 (for 1-4, just say if it's linear), 8, 36, 43
Selected solutions PDF
4/1: Exam #2
 
4/13: Homework #9 due
Section 3.4: 1, 3, 16, 17, 21, 24, 27
Section 4.1: 2, 8, 9, 19a-f (give brief reasons), 21
Section 4.2: 2, 5, 8, 15-20, 26 (singular means non-invertible), 32
Selected solutions PDF
4/20: Homework #10 due
Section 4.4: 1, 2, 4, 14, 18, 19, 20, 21, 25, 34
Section 5.1: 1
Selected solutions PDF
4/27: Homework #11 due
Section 5.1: 3, 8, 19, 23a-e, 24, 25, 26
Selected solutions PDF
5/11: Homework #12 due (collected at the final exam)
Section 5.2: 1, 5, 10, 11, (read and use Theorem 5.4 for 10, 11 if you like)
an extra problem: Find the 50th power of the matrix from 5.2 #1
Section 5.3: 1acd
Section 6.5: 2, 5, 17
5/11, 8AM: Final Exam