Math 240 (31, 41) Linear Algebra

Overview

This course is an introduction to basic concepts of linear algebra. We cover the following topics: solutions of systems of linear equations; vectors and matrices; subspaces, linear independence, and bases; determinants; eigenvalues and eigenvectors; other topics and applications as time permits.

Syllabus: Section 31, Section 41 (TA's office hours updated May 6)

Supplementary notes

• Change of bases and similarity of matrices, May 9.

• A Vandermonde determinant, May 13 (you should not read this unless you are really moved to).

Quizzes

• Quiz 1 (Tue, 4/5, 1.1-1.3)

• Quiz 2 (Tue, 4/12, 1.4, 1.5, 1.7)

• Quiz 3 (Tue, 4/19, 1.7-1.9)

• Quiz 4 (Tue, 4/26, 2.1-2.3)

• Quiz 5 (Tue, 5/10, 3.1, 3.2)

• Quiz 6 (Tue, 5/17, 5.1-5.3)

• Quiz 7 (Tue, 5/24, 5.5, 6.1, 6.2)

Exams

• Midterm, Monday, May 2, 6-7 pm, Harris 107

Sample problems, solutions

• Final, Tuesday, June 7, Section 31 12-2 pm / Section 41 3-5 pm, both in Lunt 104

Sample problems, solutions

Contact information

If you have questions or comments, please contact me. My contact information is as follows.

• By email: zyf@math.northwestern.edu

• By phone: 847-467-2272

• By foot: Locy Hall 202