Linear Systems

Here we consider the solution of simultaneous linear equations of the form (2.1) A x = b , https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315370217/379fdee0-f6da-47eb-84a6-8ddc64039f18/content/eq122.tif"/>