Episode 19c: Cramer's rule
Summary:
The surprising Cramer's rule gives us a formula solution for Ax=b and a formula for A-1. Cofactors appear again. Computing determinants is computationally wearying so the importance here is more theoretical than practical.
Scribblings:
2015-04-03cramers-rule.pdf
Date:
2015/04/03
Duration:
17:03
2015/04/03
17:03
Lecture:
Tweet:
Matrixology S8E19c:
The very surprising Cramer's rule, Ax=b, and a formula for inverses.
http://t.co/4vhdO8Rzv0 pic.twitter.com/wQWjjN0THt
— Matrixology (@matrixologyvox) April 4, 2015Extra:
Notes are here.