Welcome to Math 3333: Linear Algebra I, this Spring 2022!

For the most up-to-date content, please refresh the page at each visit!

Tentative Course Schedule

• List of lecture videos

(Credit: Slides were originally written by Greg Muller and Karen Seyffarth, used with thanks)

Week 17 May 9 - May 13 (Finals week)

The final exam time has been scheduled by the university, see One.

Week 16 May 2 - May 6 (Exam prep period)

• Live lecture on linear transformation for general vector spaces (basically everything generalizes). There is no reading hw associated to this.
• Review: wk16 wksheet review + answer key, don’t turn in
• See pictures of week 16 board work (Canvas login required)

Week 15 Apr 25 - Apr 29

• Start and finished wk15 wksheet, except Q8(d); go over questions in read16ab, 17ab
• See pictures of week 15 board work (Canvas login required)

Week 14 Apr 18 - Apr 22

• !Wed: Exam 2!, see Exam 2 study guide

• See pictures of week 14 board work (Canvas login required)

• Finished wk14 wksheet; went over questions in read16a.

Week 13 Apr 11 - Apr 15

• !Live presentation during class on Wednesday!

• Start wk14 wksheet
• See pictures of week 13 board work (Canvas login required)

Week 12 Apr 4 - Apr 8

• This week, watch or read lecture 14a, 14b, 15a. Lecture videos are here. Links to PDF lecture notes are below.
• Work on the last question on wk12 wksheet
• Start and finish wk13 wksheet
• No pictures of board work during week 12 (ask a classmate if you miss class)

Week 11 Mar 28 - Apr 1

• This week, watch or read lecture 12b, 13a, 13b. Lecture videos are here. Links to PDF lecture notes are below.
• Mon: Finish wk11 wksheet
• Wed: quiz + prepare and practice presentation during class
• Friday: First three problems on wk12 wksheet
• See pictures of week 11 board work (Canvas login required)

Week 10 Mar 21 - 25

• This week, watch or read lecture 11a, 11b, 12a. Lecture videos are here. Links to PDF lecture notes are below.
• Finish wk10 wksheet.
• Start wk11 wksheet.
• See pictures of week 10 board work (Canvas login required)

Week 9 Mar 14 - 18 Spring break

Week 8 Mar 7 - 11

See Canvas > Assignments and Gradescope for deadlines.

• Wed: Exam 1
• This week, watch or read lecture 10a and 10b. Lecture videos are here. Links to PDF lecture notes are below.
• Do Q8 of wk07 wksheet on Mon
• Did first half of wk10 wksheet on Fri. There are no wksheets labeled 08, 09 because of exam week and spring break.

Week 7 Feb 28 - Mar 4

• This week, watch or read lecture 9a, 9b. Lecture videos are here. Links to PDF lecture notes are below.
• Continue wk07 wksheet on Wed and Fri
• See pictures of week 7 board work (Canvas login required)

Week 6 Feb 21 - Feb 25

• Prior to class, watch or read lecture 7b, 8a, 8b. Lecture videos are here. Links to PDF lecture notes are below.

• See pictures of week 6 board work (Canvas login required)

• Finish wk06 wksheet on Monday and Wednesday
• Start wk07 wksheet on Wednesday/Friday

Suggested practice for lecture 8a (finding eigenvalues):

• Section 3.3 Exercises 1(b,d,f,h) and 3. In Exercise 3.31, you don’t need to find the matrix P.

Week 5 Feb 14 - Feb 18

• Prior to class, watch or read lecture 6a, 6b, 7a. Lecture videos are here. Links to PDF lecture notes are below.

• See pictures of week 5 board work (Canvas login required)

• Survey: forming teams due on Wed

• You need to come to class this Friday to a team (let me know if you cannot be in class). There will be an extra credit activity.

• During and after class, work on wk06 wksheet.

Suggested practice for lecture 6 (check with solution manual):

• Section 3.1, Exercise 5
• Section 3.2, Exercises 2(b,d,f), 6(b)

Suggested practice for lecture 7a (cofactors):

• Section 3.1 (The Cofactor expansion, pg 156), Exercise 1(b,d,f,h,j,l,n,p) and 26

Week 4. Feb 7 - 11

• Prior to class, watch or read lecture 4b, 5a, 5b. Lecture videos are here. Links to PDF lecture notes are below.
• See pictures of week 4 board work (Canvas login required)
• Preliminary Exploration due on Wed

Suggested practice for lecture 5a, 5b:

• Textbook Section 2.4 (inverses), pg 91-92, 94 Exercises 1, 4, 6, and 28

Week 3. Jan 31 - Feb 4

• WED AND FRI CLASSES ARE ONLINE. SEE ZOOM LINK ON Linear Algebra Room (Canvas login required)
• See (filled in) class notes for week 3, Wed, Feb 2

• See (filled in) class notes for week 3, Fri, Feb 4

• Prior to class, watch or read lecture 3a, 3b, 4a. Lecture videos are here. Links to PDF lecture notes are below.
• During and after class, work on wk04 wksheet (due next Wed).
• See pictures of week 3 board work (Canvas login required)

Lecture 3a, 3b loosely follow the textbook section 2.1, 2.2. Suggested practice (see Student Solution Manual):

• Section 2.1, Exercises 2bdfh, 3bdfh, 8b, and 16b. (Note: A matrix is called symmetric if it is equal to its transpose)
• Section 2.2, Exercises 2b and 10bdfh

Lecture 4a, 4b loosely follow the textbook section 2.3. Suggested practice (see Student Solution Manual):

• Section 2.3, pg 77-78 Exercises 3, 6, 16

Week 2. Jan 24 - Jan 28

• Prior to class, watch or read lecture 1a, 2a, 2b. Lecture videos are here. Links to PDF lecture notes are below.
• During and after class, work on wk02 wksheet (due on Wed) and wk03 wksheet, due next Wed.
• See pictures of week 2 board work (Canvas login required)

Lecture 1a, 1b, 2a, 2b loosely follow the textbook section 1.1 - 1.2. For extra practice, do …

• Section 1.1, Exercises 7, 9, 11, and 14
• Section 1.2, Exercises 3, 7, and 16

Week 1. Jan 18 - Jan 21

• Prior to Fri class, watch or read lecture 1a Systems of linear equations: video link, PDF lecture notes: lecture1a.pdf

• During and after class, work on wk02 wksheet. See pictures of week 1 board work (Canvas login required)