Cheg 258 - Lecture Notes - Feb. 14, 2000

Announcements

• The assignment for today involves searching out information off of the internet. If you are not familiar with the search engines on the web, I recommend you come to tonight's review session!

Class notes

The main points of the lecture were

• Singular Value Decomposition

Goals:

• Know how to use singular value decomposition to solve systems of equations, and to compress data.

Reading

• The class notes and Ch. 6 of Kahaner and Hanna.

Question of the Day:

• Due to roundoff errors, matrices are never perfectly singular. How can we use singular value decomposition in an algorithm to get "good" answers to such nearly singular problems?

Matlab Example Codes

example 12