ABSTRACT
As shown Figure 3.1, a classical method for solving problems involving a matrix, say, A, is to first factor the matrix as https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9781315273778/8d5e5270-e370-4d1b-a9a0-6087a8fee958/content/fig3_1.tif"/>
A = PDP−1
