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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+//example 2.1.e
+//check the signal is periodic or not
+clc ;
+t =-15:0.01:15;
+y =(1+cos(2*(2*t)-(%pi/3)))/(2);
+plot(t,y);
+disp ( 'Plot shows that given signal is periodic with periodicity=%pi/2' ) ;