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+//Scilab Code for Example 7.33 of Signals and systems by

+//P.Ramakrishna Rao

+//Plotting the magnitude and phase responses

+clc;

+clear;

+T=1;

+n=1;

+for w=0:0.1:20;

+    hmag(n)=2*sin(w*T/2);

+    n=n+1;

+end

+n=1;

+for w=0:0.1:20;

+    hphase(n)=%pi/2-(w*T/2);

+    n=n+1;

+end

+//Magnitude plot

+w=0:0.1:20;

+plot(w,hmag);

+title('Magnitude Plot');

+xlabel('w');

+ylabel('|H(e^jw)|');

+figure(1);

+//Phase Plot

+w=0:0.1:20;

+plot(w,hphase);

+title('Phase Plot');

+xlabel('w');

+ylabel('theta(wT)');

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