plotting Fourier series periodic signal ?

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i have this homewrok which asked me to plot a fourier series
the issues:
  1. i don't know how to change it from unit step function
  2. i don't know how to plot it to the 2nd period

Accepted Answer

Chandra
Chandra on 2 May 2022
Edited: Chandra on 4 May 2022
Hi,
For plotting x(t) use stem function
T1 = 2;
T0 = 8;
x1 = ones(1,2*T1); % 1 i.e., 0<t<T1
x2 = -1*ones(1,T0/2-T1); %-1 i.e., T1<t<T0/2
x = [x2 x1 x2];
%x = [x x x];
%t = linspace(-12,12,length(x));
t = linspace(-4,4,length(x)); %comment this line if 6 and 7 lines are uncommented
stem(t,x);
axis([-15 15,-2 2]);
for fourier series of x, refer to this link
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