Fourier Series Expansion of a Periodic Square Wave

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Tolgay Polat
Tolgay Polat 2021-12-25
评论： John D'Errico 2021-12-25
I have tried to code and plot the first 50 terms of the given graph; but i constantly failed.
x(t)= 4/pi ( sin(t) + sin(3t)/3 + sin(5t)/5+...+ sin(49t)/49)

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回答（1 个）

Torsten
Torsten 2021-12-25
编辑：Torsten 2021-12-25
n = 49;
fun = @(t) 4/pi*sum(sin((1:2:n)*t)./(1:2:n));
T = linspace(0,2*pi,100);
X = arrayfun(fun,T);
plot(T,X)

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