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//Example 6.24 clc;clear; X=[20 -5.828-2.414*%i 0 -0.172-0.414*%i 0 -0.172+0.414*%i 0 -5.828+2.414*%i]; x=round(clean(ifft(X))); disp(X,'X(k)='); disp(x,'x(n)=');