Math 235: Linear Algebra

Spring 2012

General Information

Instructor: Chris Staecker (Personal Homepage)

Email: cstaecker@fairfield.edu

Office: BNW 16

Office Hours: T 10:30-11, 1-2, W 10-11, 1-3 (usually), F 10:30-11, 1-2

Textbook:

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

Class Meetings: TF 2:00--2:50, W 3:00--3:50, BNW 167

Final Exam: Wednesday May 9, 11:30

Other Materials

• Syllabus (pdf) LaTeX source

Coming Attractions

1/25: Homework #1 due

Section 1.1: 1, 5, 6, 9, 13, 14, 15, 16, 22, 35, 36, 38
Section 1.2: 1, 3, 7 (see Example 4), 9, 10, 12, 22, 24, 43
Selected solutions PDF

2/1: 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: 14
Selected solutions PDF

2/8: Homework #3 due

Section 1.4: 1, 4, 6, 8, 9, 10, 17, 22, 23, 25, 43
Selected solutions PDF

2/15: Homework #4 due

Section 1.4: 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

2/22: Homework #5 due

Section 1.6: 1, 2, 7, 8, 16, 18, 23, 26, 31
Selected solutions PDF

2/24: Exam #1

 

3/7: Homework #6 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
Selected solutions PDF

3/21: Homework #7 due

Section 2.3: 5, 9, 13, 14, 18, 31
Section 2.4: 4
Selected solutions PDF

3/28: Homework #8 due

Section 3.1: 1, 4, 10, 11 (look up the definition of diagonal), 14, 19
Section 3.2: 2, 3, 12, 16, 20, 22
Selected solutions PDF

3/30: Exam #2

 

4/11: Homework #9 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, 21, 24, 27
Selected solutions PDF

4/18: Homework #10 due

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

4/25: Homework #11 due

Section 5.1: 3, 8, 19, 23a-e, 24, 25, 26
Selected solutions PDF

5/2: Homework #12 due

Section 5.2: 1, 5
an extra problem: Find the 50th power of the matrix from 5.2 #1
Section 6.5: 2, 5, 17

5/8, 8:00AM: Final exam (section A)

 

5/9, 8:00AM: Final exam (section B)