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+//page 92

+//Example 3.16

+clc;

+clear;

+close;

+disp('T is a linear operator on R^2 defined as T(x1,x2) = (x1,0)');

+disp('So, the matrix T in standard ordered basis B = {e1,e2} is ');

+T = [1 0 ;0 0];

+disp(T,'[T]B = ');

+disp('Let B'' is the ordered basis for R^2 consisting of vectors:');

+E1 = [1 1];

+E2 = [2 1];

+disp(E1,'E1 = ');

+disp(E2,'E2 = ');

+P = [E1;E2]'

+disp(P,'So, matrix P = ');

+Pinv = inv(P);

+disp(Pinv,'P inverse = ');

+T1 = Pinv*T*P;

+disp(T1,'So, matrix T in ordered basis B'' is [T]B'' = ');

+//end