Mr. Bly's Math 251 Webpage

bly@math.utk.edu

Class Meetings (MTWRF)
1:30-3pm Ayres 124

Office Hours (MTWRF)
11:15am-12:15pm Ayres 326

Math Tutorial Center

Ayres G012
Mon: 11am-3pm
Tue: 11am-3pm
Wed: 11am-3pm
Thu: 11am-3pm

Hodges North Commons
Tue: 6-8pm
Thu: 6-8pm

HW Help

 Test 1 HW forTue Jun 2 (Solutions) (1) 1.2 #3d (2) 1.2 #5 (3) 1.2 #3 HW forWed Jun 3 (Solutions) (1) 1.3 #1 (2) 1.3 #5a-h (3) 1.3 #5a-h (4) 1.4 #37 Email Q&A HW forThu Jun 4 (Solutions) (1) 1.5 #13, #15 (2) 1.6 #3, #5 (3) Thm 1? HW forFri Jun 5 (Solutions) (1) None (2) 1.7 #13 (3) 2.1 #29 (4) 2.2 #1, #3 (5) 2.2 #21, #25 Email Q&A HW forMon Jun 8 (Solutions) (1) 2.1 #27, #29 (2) 2.2 #15, #17, #19, #21 (3) Thm 1? (4) Thm 1? HW forTue Jun 9 (Solutions) (1) 3.1 #9 (2) None (3) 1.3 #9 (4) 1.8 #11 Test 2 HW forFri Jun 12 (Solutions) (1) 4.1 #1e (2) 4.1 #5 (3) 4.1 #1e (4) 4.2 #2b (5) 4.2 #1a (6) 4.2 #2d (7) 4.2 #17 Email Q&A HW forMon Jun 15 (Solutions) (1) Write out linear combo=0. Exploit zero vector to find a nonzero sol'n. (2) Same as (1), but w/ sin^2 and cos^2. (3) The key is the 12 entry. (4) Write out linear combo. Section 1.7? (5) One vector per unique choice of entry? HW forTue Jun 16 (Solutions) (1) 4.4 #5 (2) Remove a dependent column vector from gen{col vectors} (3) 4.5 #9 HW forWed Jun 17 (Solutions) (1) 4.4 #2 (2) 4.6 #3b (3-4) See explanation to right Email Q&A HW forThu Jun 18 (Solutions) (1-2) 4.7 #7 (3) Use column relations in rref (4) You can see what columns form a basis in rref(A)'s column space. Now, relate this to A. (5) Recall what transposing a matrix does HW forFri Jun 19 (Solutions) (1) 4.7 #11 (2) 4.8 #9, #21 (3) Thm 1? Test 3 HW forWed Jun 24 (Solutions) (1) 5.1 #1, #3 (2) 5.1 #11, #13 (3) 5.1 #5 Email Q&A HW forThu Jun 25 (Solutions) (1) 5.1 #7, #11 (2) Hint given (3) Each value has at least one vector... (4) 5.1 #7, #11 (5) Thm 4 tells you what D looks like. HW forFri Jun 26 (Solutions) (1) 5.1 #1, #3 (2) 5.2 #5, #7 (3) 5.2 #19 (4) nullity(A-cI) is number of eigenvectors you'll get for the eigenvalue c, right? After Test 3 HW forWed Jul 1 (1) 6.4 #30 (2) 6.5 #3 (3) 2.3 #39 (4) 2.3 #39

Weekly Quizzes

 Test 1 (Solutions) Quiz Wed 6/3 Hints Solutions Quiz Fri 6/5 Hints Solutions Quiz Wed 6/10 Hints Solutions Skills Checklist Test 2 (Solutions) Quiz Fri 6/12 Hints Solutions Quiz Wed 6/17 Hints Solutions Quiz Fri 6/19 Hints Solutions Skills Checklist Test 3 (Solutions) Quiz Wed 6/24 Hints Solutions Quiz Fri 6/26 Hints Solutions Skills Checklist Final Exam (Solutions) Final Review