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+//page 210

+//Example 6.12

+clc;

+clear;

+close;

+A = round(rand(3,3) * 10);

+disp(A,'A = ');

+disp('A transpose is:');

+disp(A','A'' = ');

+if A' == A then

+    disp('Since, A'' = A, A is a symmetric matrix.');

+else

+    disp('Since, A'' is not equal to A, A is not a symmetric matrix.');

+end

+if A' == -A then

+    disp('Since, A'' = -A, A is a skew-symmetric matrix.');

+else

+    disp('Since, A'' is not equal to -A, A is not a skew-symmetric matrix.');

+end

+A1 = 1/2*(A + A');

+A2 = 1/2*(A - A');

+disp('A can be expressed as sum of A1 and A2');

+disp('i.e., A = A1 + A2');

+disp(A1,'A1 = ');

+disp(A2,'A2 = ');

+disp(A1 + A2,'A1 + A2 = ');

+//end