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%% Computation Resulting in Zero-Valued Imaginary Part %% % Define two complex scalars, |x| and |y|. x=3+4i; y=5-4i; %% % Determine whether the addition of two complex scalars, |x| and |y|, is % real. A = x+y %% % MATLAB(R) drops the zero imaginary part. %% isreal(A) %% % |A| is real since it does not have an imaginary part.