In this video, I continue to take elementary matrices and use them to find their inveses and show how those inverses can be used to find a matrix and its inverse.
00:00 Introduction to Inverses
00:35 Inverses of Permutations
02:22 Inverses of Multiplication matrices
03:48 Inverses of Addition Matrices
06:57 Ex. 1: Finding A and A^-1 using EM
15:41 EX 2: Finding A and A^-1 using EM
Using elementary matrices to do row reduction video- preparation
• Using Elementary Row Matrices to Do Row Re...