Math 235: Linear Algebra

Spring 2014

General Information

Instructor: Chris Staecker (Personal Homepage)

Email: cstaecker@fairfield.edu

Office: BNW 16

Office Hours: TWF 10-11, 12-12:30, TF 1:30-2, W 12-1 or by appointment

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

Class Meetings: TF 12:30-1:20, W 1:00-1:50 BNW 334

Final Exam: Friday, May 2, 8:00 AM

Other Materials

Coming Attractions

1/29: Homework #1 due
Section 1.1: 1, 5, 6, 9, 13, 14, 15, 16, 22, 38
Section 1.2: 1, 3, 7 (see Example 4), 9, 10, 12, 22, 24, 43
Selected solutions pdf
2/5: Homework #2 due
Section 1.3: 1, 2, 4, 7, 10, 19, 20, 22, 35, 38, 39, 40
Section 1.4: 1, 4, 6, 8, 13, 22
Selected solutions pdf
2/12: Homework #3 due
Section 1.4: 9, 10, 17 (use Gauss-Jordan if you like), 23, 25, 56
Selected solutions pdf
2/19: Homework #4 due
Section 1.4: 43, 44, 47
Section 1.5: 6a, 9, 14, 16 (hint: A-1AC = C), 17, 23abei (give some words to support your answer)
Selected solutions pdf
2/21: Exam I
 
3/5: Homework #5 due
Section 1.6: 1, 2, 7, 8, 16, 18, (for 16 & 18, just write the set as a span) 23, 26, 31 (don't find a basis, just write the nullspace as a span)
Section 2.1: 16, 21
Selected solutions pdf
3/12: Homework #6 due
Section 1.6: 22, 25, 32
Section 2.1: 10, 12, 13, 27
Section 2.2: 1, 5, 9
Section 2.3: 1, 2, 3, 5, 9
Selected solutions pdf
3/19: Homework #7 due
Section 2.3: 13, 14, 18, 31
Section 2.4: 4
Selected solutions pdf
4/1: 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
4/3: Exam #2
 
4/16: Homework #11 due
Section 3.3: 1, 4, 7, 8, 10, 21
Section 4.1: 2, 8, 9, 19a-f (give brief reasons)
Section 4.2: 2, 5, 15-20, 26 (singular means non-invertible), 32
Selected solutions pdf
4/23: Homework #12 due
Section 5.1: 3, 8, 23a-e, 24, 25
Selected solutions pdf
4/30: Homework #13 due
Section 5.2: 1, 5, 22 (just the first part)
that's all!
Final homework (not to be collected)
Section 5.2: Find the 50th power of the matrix from 5.2 #1
Section 6.1: 7, 9, 26a
Section 6.5: 2, 5, 17
5/2: Final Exam, 8:00 AM