Session Overview
 | This session explains inverses, transposes and permutation matrices. We also learn how elimination leads to a useful factorization A = LU and how hard a computer will work to invert a very large matrix. |
Session Activities
Lecture Video and Summary
- Watch the video lecture Factorization into A = LU (00:50:13)
- Read the accompanying lecture summary (PDF)
- Lecture video transcript (PDF)
Suggested Reading
- Read Section 2.6 in the 4th or 5th edition.
Problem Solving Video
- Watch the recitation video on LU Decomposition (00:09:33)
- Recitation video transcript (PDF)
Check Yourself
Problems and Solutions
Work the problems on your own and check your answers when you're done.