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+//page 17

+//Example 1.10

+clear;

+close;

+clc;

+//Part a

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

+b = [5 -1 2;15 4 8];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+disp('-----------------------------------------------------------------');

+//Part b

+a = [1 0;-2 3;5 4;0 1];

+b = [0 6 1;3 8 -2];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+disp('-----------------------------------------------------------------');

+//Part c

+a = [2 1;5 4];

+b = [1;6];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+disp('-----------------------------------------------------------------');

+//Part d

+a = [-1;3];

+b = [2 4];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+disp('-----------------------------------------------------------------');

+//Part e

+a = [2 4];

+b = [-1;3];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+disp('-----------------------------------------------------------------');

+//Part f

+a = [0 1 0;0 0 0;0 0 0];

+b = [1 -5 2;2 3 4;9 -1 3];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+disp('-----------------------------------------------------------------');

+//Part g

+a = [1 -5 2;2 3 4;9 -1 3];

+b = [0 1 0;0 0 0;0 0 0];

+disp(a,'a=');

+disp(b,'b=');

+disp(a*b,'ab = ');

+//end