CSS 487 is not being taught this quarter.
Slides and other materials will be posted here (usually) prior to lecture:
Also, see the following readings available online:
Chapters of Elementary Linear Alebra by Keith Matthews:
Book homepage, Chapter 1 (pdf), Chapter 2 (pdf)
These are much more detailed, but also contain some information that we won't use (for example, Gauss-Jordan algorithm, recurrence relations).