Plotting symbolic equation along an array.
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I am trying to plot the symbolic function: ![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1159743/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1159743/image.png)
I have expressed the function using syms for f(x),x,n
the trouble I am having is with x, x is a value from 0<x<L. where L is a arbitrary number. 100 for example.
how would I plot 0:L on the x axis and the function of f(x) on the y axis. for each n.
thank you for the help.
heres what I got so far with my script
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1159748/image.png)
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Risposte (1)
Torsten
il 17 Ott 2022
Is the really the function you calculated the Fourier series of ?
L = 10;
nx = 100;
nmax = 200;
x = (linspace(0,L,nx)).';
n = 1:nmax;
f = ((-1).^n-1)./(n.^2*pi) .* cos(n.*x) + (1-2*(-1).^n)./n .* sin(n.*x);
values = -pi/4 + sum(f,2);
plot(x,values)
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