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Plotting infinite series with set of parameters

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Moslem Uddin
Moslem Uddin am 8 Sep. 2019
Kommentiert: Moslem Uddin am 10 Sep. 2019
I want to plot the following functions,
Here, and given by
is a set of values of values given by,
I have approximated a set of values for . I have tried the following code, but failed to generate expected plot. Is that due to approximation, or there is any other error in my code?
clc
clear all
syms Y
k = 0.1;
j=[-8.0671,-5.30732,-2.62768,0,8.0671,5.30732,2.62768];
for i=1:length(j)
f1 = (sin(j(i))+ k*j(i)*cos(j(i)))*cos(j(i)*Y) - (cos(j(i)) - k*j(i)*sin(j(i)))*sin(j(i)*Y);
f2=((((j(i).^4)/16)+1)*((k*(k + 1)*sin(j(i))) - (1 + 2*k - k^.2*j(i).^2)*((cos(j(i)))/(2*j(i)))));
U=0.25*sum(((f1/f2)*exp(-0.25*j(i).^2)),i,1:8);
fplot(U);xlim([0 1]);%hold on;
end
  3 Kommentare
Moslem Uddin
Moslem Uddin am 8 Sep. 2019
I have considered $\tau=1$
Moslem Uddin
Moslem Uddin am 8 Sep. 2019
It’s not a surface plot.

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Akzeptierte Antwort

darova
darova am 8 Sep. 2019
Looks like simple sin() or cos():
export_fig_out.png export_fig_out1.png
What do you think?
Try my script, i think i reached a success
  10 Kommentare
darova
darova am 10 Sep. 2019
Try to write clearer script. Hard to understand it if everything is written in one line
You forgot the dot
Also declaring y two times
11Untitled.png
Moslem Uddin
Moslem Uddin am 10 Sep. 2019
Thanks a lot!

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