Chapter 1 : ALGEBRA OF MATRICES
§1. Basic Concepts Consider the system of equations: 3x + 4y − 3z = 52x − 9y + 7z = 44x − 2y + z = 26x + 8y − 3z = 1 Here x, y and z are unknowns and their coefficients are all numbers. Arranging the coefficients in the order in which they … Read more