# 2008-04-23: Exact Linear Algebra (part 1)

1. Announcement: Sage-3.0 is out! See the release notes, etc.

1. Announcement:

The seminar meets at 1:30pm on Thursdays in 415L Guggenheim (the Applied Math Building): April 24, 2008: Dan Shumow -- generating random numbers

2. Turn in and redistribute homework.

3. New homework assignment.

4. Feedback:

- How is the course going for you? Is it too hard? Too easy? Too fast? Incomprehensible. Please be honest.
- How do you want the rest of the course to change?

5. Exact matrix algebra: Some basic problems: matrix multiply, echelon form, charpoly, solving Ax = b