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+//page 12

+//Example 1.8

+clear;

+close;

+clc;

+n = rand();

+n = round(n*10);

+disp(eye(n,n));

+printf('This is an Identity matrix of order %d * %d',n,n);

+disp('And It is a row reduced matrix.');

+m = rand();

+n = rand();

+m = round(m*10);

+n = round(n*10);

+disp(zeros(m,n));

+printf('This is an Zero matrix of order %d * %d',m,n);

+disp('And It is also a row reduced matrix.');

+a = [0 1 -3 0 1/2;0 0 0 1 2;0 0 0 0 0];

+disp(a,'a = ');

+disp('This is a non-trivial row reduced matrix.');

+//end