Homework questions are assigned from the text and you will
benefit greatly from working your way through them.
(Of course, you are welcome to work on more than these
subsets if you like.)
The solutions to selected questions are at the end of the
textbook.
Section 1.1: (pp. 6-10) A, B, 1, 2, 4, 6, 9, 10, 13,
and, for a challenge, 28.
Section 1.2: (pp. 17-20) A, B, 1, 2, 3, 5, 7, 8, 13,
and 29.
Section 2.1: (pp. 29-34) A, B, 1-4, 6-8, 10a, 11a,
14a, 14b, 15, 16, 17, 27, 28, 29, and, if you like
computers, 30, 31, 32.
Section 2.2: (pp. 40-45) A, B, 1-9, 11, 12, 13, 15a,
(trickier) 16, 18, 19 25
Section 2.3: (pp. 51-56) A, B, C, 1, 2, 3, 4, 5, 6,
9a), 10, 16, 19, 20, 23, 24, 25, 28.
Section 2.4: (pp. 62-70) B, (A, C very good but view
as extra material) 1, 2, 3, 5, 6, 7, 8, 9 11, 14, 17a, 17b,
18a, 21, 24a, 26, 27 (important), 28.
Section 2.5: (pp. 77-83 ) A, B (optional---more for
those with a math focus), 1, 2, 4, 5, 6, 7, 8, 11, 12, 15,
18, 22, 28, 29, 30.
Section 2.6: (pp. 91-96) 1, 2, 5, 6, 12, 15, 22,
(25, 26, both harder). If you get along well with
computers: 32, 33, 35; A and B are a good challenge.
Section 3.1: (pp. 116-121) A, B, 9-18 (very good),
19-29 (also very good), 1-8 (extra stuff on vector spaces).
Section 3.2: (pp. 129-133) A, B, (1-4), (5-8), 9,
10, 11, 18, 20, (21-24, a festival), 26, 27, 30, 31, 32,
33a.
Section 3.3: (pp. 139-144) A, B, 1, 2, 3, 4, 6, 12,
13, 15.
Section 3.4: (pp. 149-156) A, B, C, (1-8, full
solution stuff, all good), 11, 13, 16, 17, 18, 22, (23-25),
26, 28, 29, 30, 33.
Section 2.7:
All about transposes and symmetric matrices:
(pp. 103-109) 1-7, 16-21, plus please examine the
`transparent proof' on page 109 of why (AB)T =
BTAT.
Section 3.5:
A, 1, 2, 3, 5, 11, 12, 16, 25, 26, 27, 28; also: B and C
(tougher).
Section 3.6:
B, 1, 2, 4, 5, 6, 7, 8, 16, 17, 24.
Section 4.1:
A, B, 3, 4, 5, 11, 12, 13, 16, 17, 19, 21, 28, 29.
Section 4.2:
A, 1, 3, (5, 6, 7—a good set), 11, 13, 17 (important!), 19,
(21, 22, 23 ,24—good thinking here), 27, 30 (curious and
conceptual).
Section 4.3—Approximate Solutions:
A, B, (1, 2, 3, 5, 7, 9—all good), 12 (important), 17, 18.
Section 4.4—Orthogonality and the Gram-Schmidt
Process:
(pp. 227-232) A (good example of why orthogonality
matters), 1, 2, 3, 4, 6, 7 (good), 10b, 11 (good), 13, 15,
16, 18, 20, (33, 34: reflection matrices, slightly harder).
Section 6.1—Eigenstuff:
(pp. 282-288) A (read straight away), B (examine later), 2,
7, 8, 11 (tricksy), 13, 16, 17, 18 (good), 19, 20, 22, 28,
30.
Section 5.1—Determinants:
(pp. 239-244) A, B, 2, 3, 4, 7, 8a, 8b (harder and good),
9, (10, 11, 12, all good thinking questions), 13, 14, 15,
(optional: any of 17-23), 24, 28 (true/false), 29 (good).