Math 21b: Linear Algebra and Differential Equations

Course head: Janet Chen
Course preceptor: Yu-Wen Hsu (


  • Welcome to Math 21b! There is a mandatory introductory course meeting on Wednesday, August 30 at 8:00 am in Science Center A.

  • Math 21b is taught entirely in sections; to join the course, you must section by 7pm on Wednesday, August 30. Instructions for sectioning can be found here.

    If you're not sure whether Math 21b is the right course for you, we strongly encourage you to speak with a math placement advisor.

  • The reading for Problem Set 0 is on the Handouts / Reading page.