Math 2121 (Fall 2022)


Welcome to the homepage for Math 2121: Linear Algebra!

Check out the syllabus here.

Lecture notes

Our lectures this semester will be online at the following times:

New lecture notes will be posted each Friday. Try to read these before each class.

Week 0:

Week 1: Week 2: Week 3: Week 4: Week 5: Week 6: Week 7: Week 8: Week 9: Week 10: Week 11: Week 12: Week 13:

Other resources

The following is our primary textbook:

Some other online resources:


Grades will be computed as follows:


There are two components to the homework in this course: online and offline.

We will have weekly online homework assignments. Here are the relevant logistics:

There is also a weekly offline component to the homework. Here are the relevant logistics:

For both parts of the homework, no deadline extensions will be granted and no late submissions will be accepted but we will omit your lowest online score and lowest offline score from final grade computations. This means you can skip any one week of homework with no penalty.


We will have a 2-hour, out of class midterm. The exam will be closed book, closed notes, with no calculators or other electronic devices allowed. Email the instructor right away if you need special arrangements, due to a time conflict or being unable to come to campus.

The midterm will cover Lectures 1-12 and HW 1-6.

Review problems and practice exams: Here are solutions to the midterm.


We will have a cumulative 3-hour final exam. The format will be similar to the midterm.
The exam will be cumulative, covering all lectures and homework.

Review problems: Practice exams:


The following is a tentative course outline, with reading assignments from the textbook.