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+//clear//

+//Example 1.6:Determine the fundamental period of composite

+// discrete time signal

+//x[n] = exp(j(2*%pi/3)n)+exp(j(3*%pi/4)n)

+clear;

+clc;

+close;

+Omega1 = 2*%pi/3;   //Angular frequency signal 1

+Omega2 = 3*%pi/4;  //Angular frequency signal 2

+N1 = (2*%pi)/Omega1;  //Peirod of signal 1

+N2 = (2*%pi)/Omega2;  //Period of signal 2

+//To find rational period of signal 1

+for m1 = 1:100

+  period = N1*m1;

+  if(modulo(period,1)==0)

+    period1 = period;

+    integer_value = m1

+    break;

+  end

+end

+//To find rational period of signal 2

+for m2 = 1:100

+  period = N2*m2;

+  if(modulo(period,1)==0)

+    period2 = period;

+    integer_value = m2

+    break;

+  end

+end

+disp(period1)

+disp(period2)

+//To determine the fundamental period N

+N = period1*period2