I am using 'idsolver' to solve a integro-differential equation. But having the problem when run the program "Undefined function or variable 'idsolver' ". How can I solve this problem?

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Md Abu Helal
Md Abu Helal 2018-10-11
编辑： Torsten 2021-12-20
xinterval= [0 6];
n=1;
Initcond =0;
c= @(x,y) x*(1+x^0.5)*exp(-x);
d= @(x) 1;
k =@(x) x;
alpha =@(x) x;
beta = @(x) 2;
Tol = 1e-8;
Flag =0;
idsolver(xinterval, n ,Initcond, c,d,k,alpha,beta,Tol,Flag)

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Stephan
Stephan 2018-10-11
https://de.mathworks.com/matlabcentral/answers/95224-can-matlab-solve-integro-differential-equations
In the comments to this answer is a link to download idsolver.
Since this is not a Part of Matlab Release you have to download and copy the files to one of your Matlab path by yourself.
Then it can be used.
Best regards
Stephan

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