Friday, Sept. 19: Quiz 3 with the scanned solutions.
Friday, Sept. 12: I showed a latex version of my version of problem 8 in set 4, along with its latex source code. Doing an error-prone problem like this using computer typesetting is often better than writing by hand, since you don't have to recopy the whole thing when you find an error.
Wednesday, Sept. 10: Here is the Gaussian elimination (or Gauss-Jordan ellimination) that I showed in class, for my version of problem 6 in set 4.
Monday, Sept. 8: Quiz 2, on information up to and including webwork due Sept. 7. Here are the scanned solutions.
Friday, Sept. 5: In-class worksheet on Gaussian Elimination.
Friday, August 29: Quiz 1. Here are the scanned solutions.
Monday, August 25: Meet your neighbors, Basic matrix operations (WeBWork Set 1).