MT210-01 Fall 2015 (Rosen)
Written Homework Assignments (from Linear Algebra, by Lay Lay & McDonald, 5th Edition)
Assignment Number,
Due Date
Problems
Solutions
(password required)
Assignment 1
Wednesday 9/9
1.1 #2, 8, 10, 12, 14, 16, 18, 20, 22, 32
1.2
#2, 4, 6, 10, 12, 14, 16, 18, 20, 24, 28, 30
1.3
#2, 4, 6
Asgn 1 Solutions
Assignment 2
Wednesday 9/16
1.3  #10, 12, 14, 16, 18, 22, 24, 26
1.4  #2, 4, 10, 12, 14, 16, 18, 24, 26, 30, 34
1.5  #2, 4, 8, 10, 12, 34, 36
Asgn 2 Solutions

Assignment 3
Wednesday 9/23


1.5
#14*, 16*, 18, 28, 30, 32, 38  (* just give vector-parametric solution)
1.7 #2, 6, 10, 12, 16, 18, 20, 28, 32, 34, 36, 40
1.8 #2, 4, 8, 10, 12, 14, 16, 32
1.9 #2, 6**, 16**, 18, 20, 22**, 26
( **on #6, 16, 22, also decide if the map is one-to-one and/or onto its codomain)



Asgn 3 Solutions
Assignment 4
  Wednesday 10/7
 

2.1 #2, 4, 6, 8, 10, 12, 18, 20, 26, 34
2.2 #2, 4, 8, 14, 16, 18, 26*, 28, 32  (* just verify one of the two equations*)
2.3 #2, 4, 6, 8, 14, 18, 22, 28, 34
Asgn 4 Solutions
Assignment 5
Wednesday 10/14
P. 162-163  #6, 9, 18 (hint on 18: CA = I is a one to one map. Therefore, ...)
3.1 #10, 12, 14, 16, 18, 22, 24, 28, 30, 34, 36, 38
3.2 #4, 8, 10, 12, 16, 18, 20, 22, 26, 32, 36, 40

Asgn 5 Solutions
Assignment 6
Wednesday, 10/21
4.1 #2, 6, 8, 10, 12, 14, 16, 18, 22
4.2 #2, 6, 12, 14, 16, 18, 20, 22, 24, 28, 32, 34
4.3 #4, 6, 8, 10, 12, 14, 16, 20, 24, 26, 30, 34

Asgn 6 Solutions
Assignment 7
Wednesday, 11/4
4.4 #4, 6, 8, 12, 20, 28, 30, 32
4.5 #4, 6, 8, 12, 14, 16, 18, 22, 24, 26
4.6 #2, 4, 6 through 16 even, 20, 22, 24, 30
Asgn 7 Solutions
Assignment 8
Wednesday, 11/11
3.3 #20, 22, 24, 28, 30
1.9 #4, 8, 10, 12   (about rotations and reflections in R^2)
5.1 #2, 6, 8, 12, 14, 16, 18, 24, 26, 32
5.2 #4, 6, 8, 10, 12, 16, 18, 24
5.3 #2, 4, 6, 8, 10

Asgn 8 Solutions


Assignment 9
Wednesday 11/18
5.3 # 12, 16, 20, 24, 26
5.4 #4, 6, 8, 10b*, 12, 14, 16, 20, 22  (*you may assume 10a, that T is linear)
5.5 #2, 4, 8, 10, 12, 14, 16
p. 328 #2, 6a**, 18   (*what diagonal matrix is B similar to? )
Asgn 9 Solutions
Assignment 10
Friday 12/4
5.6 #4*, 6, 10, 12**, 14 (*skip the last question on #4)
**On #12, for a typical initial vector, what are the approximate values, for large k, of y_k/x_k and y_k+1/y_k? Which initial vectors do NOT fit that pattern?

6.1
#6, 8, 10, 14, 16, 18, 26* (*26 find a basis for W; ignore the question asked)
6.2 #2, 6, 8, 10, 14, 20, 22, 30
Asgn 10 Solutions

Practice Problems for 6.3 and 7.1
6.3 #1, 3, 7, 9, 11, 13, 15, 17 ,19
7.1 #1, 5, 7, 9, 11, 15, 17, 21, 23
Practice Solutions