21-240 Spring 2014

Instructor: Professor Tim Flaherty, Wean Hall 8128, dmihai@andrew.cmu.edu

Teaching Assistant for Section A & B: Zilin Jiang (Roy), Wean Hall 7213, zj@cmu.edu.

Textbook: David C. Lay, Linear Algebra and Its Applications, 4th Edition, Pearson.

Office Hours for Roy (Teaching Assistant) in WEH 7213: Tuesday 5:30PM-7:00PM, Thursday 5:00PM-6:30PM.


  • Due to time conflicts, I have to make a one-time change to my office hours this Thursday. The office hours this Thursday starts at 4:30PM and ends at 6:00PM. (April 14, 2014)
  • I will be on leave from March 9 to March 29. (March 7, 2014)
  • This week, I will hold extra office hours on Wednesday from 5PM to 6:30PM at Wean 7213 to compensate the cancellation of the office hours last Thursday. (February 4, 2014)
  • I have to cancel today’s office hours due to personal reasons. (January 30, 2014)
  • Due to time conflicts, I have to change my office hours on Tuesdays to 5:30PM – 7:00PM. (January 21, 2014)

Recitations for Section A:

Recitations for Section B:

Homework Solutions: Click here to view in Dropbox.

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