Summation of a series without for loop

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Fourier series of a square wave can be represented as:
Where, sum is over k=0 to inf, T is period = 1. I need to plot F(t) for first 10 terms in the series. I can do this using loops, but is there any way to do this without any loop?

Accepted Answer

Shoaibur Rahman
Shoaibur Rahman on 28 Dec 2014
Yes you can do this! Use vectorization technique. Try to understand the line F = ... in the following code. If you get any hard time with this, please let me know. This is a great question though.
T = 1; t = -3:0.01:3; % change time vector as what you need
n = 10; k = 0:n-1; % n is the number of terms
F = 4/pi * (1./(2*k+1)) * sin(((2*k+1)'*pi*t)/T);
Iyad Khuder
Iyad Khuder on 12 Nov 2020
That's amazing! Many thanks!

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