How to plot an integral a function handle
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Johan Johan
le 6 Mai 2018
Commenté : Fanzheng Liu
le 13 Nov 2021
I want to plot an integral function, if 'y' is an arbitrary vector ,
N=51;
I=@(x)norm(exp(-1i*pi*x)- y'.*exp(-1i*pi*x*(0:(N-1)))).^2;
F=integral(I,-1,1,'ArrayValued',true);
plot(F);
This what I've tried, but it's not working.
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Star Strider
le 6 Mai 2018
I am not certain what you want.
Try this:
N = 51;
I = @(x,y) norm(exp(-1i*pi*x)- y'.*exp(-1i*pi*x*(0:(N-1)))).^2;
F = @(y) integral(@(x) I(x,y), -1, 1,'ArrayValued',true);
y = 1:10;
Fy = arrayfun(F, y);
figure(1)
plot(y, Fy)
grid
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Fanzheng Liu
le 13 Nov 2021
Thank you so much for your code... It really really helped me A LOT!!! 🥺🥺🥺
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