Carnegie Mellon

21-241 Matrix Algebra

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Assignments: Week #9


  • Monday: No Class. Dr. Handron will be out of town.
  • Wednesday: Section 2.3, Section 3.5 pp. 203-208, Section 6.2 pp. 461-466. (Also see posted notes on Suspaces, Bases, and Dimension, Section 7.2 Prope rties of Linear Independence, and Bases.)
  • Friday: Section 6.2 pp. 470-471 (starting with "Dimension") and Section 3.5 pp. 21-213. (Also see posted notes on Subspaces, Bases, and Dimension, Section 7.3 Basis and Dimension of Row Spaces.)
Note: The page numbers listed are from the third edition of the textbook. I don't have the fourth edition with me right now, so I can't update them until I get back to my office. Sorry for the inconvenience. You can use the posted notes as a guide to what will be covered.


  • Wednesday: WeBWorK - Week #9 Online Homework. [Note: C2(I) is the space of functions on the interval I=[0,1] that have a continuous second derivative.]
  • Friday: Week #9 - Written Assignment
    Section 3.5 #16.
    Section 6.1 #38.
    Section 6.1 #48.

Homework assignments may be turned in before or after class on the due day, or may be placed in your TA's mailbox before 3:20pm on that day. The TA's mailboxes are in the Math Department office, WEH 6113.

Please make sure your homework includes the following:

  1. Your name (on every page if you ignore #4.),
  2. Your class section,
  3. The names of those students with whom you have collaborated,
  4. a staple.