3. SINUSOIDAL SEQUENCE

A=input('type in the gain constant            :');

N=input('enter the number of samples    :');

W=input('enter the radian frequency       :');

PHY=input('enter the initial phase in rad            :');

for n=0:N-1

   t(n+1)=n;

   x(n+1)=A.*cos(W.*n+PHY);

  

end;

stem(t,x);

title('sinusoidal sequence');

xlabel('time index');

ylabel('amplitude');

pause;

Results:

Type in the gain constant :           10

Enter the number of samples :          30

Enter the radian frequency  :   100

Enter the initial phase in rad :    0