Week 6 - Understanding linear systems

Objective: clear all; close all; clc; % Import Data A = [5 1 2;-3 9 4;1 2 -7]; % Matrix 3x3 U = [0 A(1,2) A(1,3);0 0 A(2,3);0 0 0]; % Upper triangular elements D = [A(1,1) 0 0;0 A(2,2) 0;0 0 A(3,3)]; % Diagonal elements L = [0 0 0;A(2,1) 0 0;A(3,1) A(3,2) 0]; % Lower triangular elements B = [10;-14;33]; m = 1; % Diagonal Magnification…