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Session 3


  • The following video covers the material for this session.
  • After watching the video, you should attempt the homework problems.
  • When you have finished the material below, you can return to the main page or start on the next session


  • Symmetric Matrices, the transpose, and the trace
  • Linear combinations of matrices
  • Matrix multiplication and its properties
  • The inverse of a matrix and its properties


1.3 (Nicholson): 1, 3b, 3c, 5a
2.1 (Nicholson): 2h, 7, 4c, 24
2.2 (Nicholson): 1a, 2a, 3b, 4b, 9
2.3 (Nicholson): 1b, 4, 7c, 9, 19, 20, 26, 30, 21

Open Nicholson Homework Assignment