From: Alexander Erlich on
Hello,

because of the equations I typed my question in Latex and uploaded it
here: http://www.airlich.de/Semester5/Fragen/Nichtlineare_Dynamik/Fortran_Which_ode_Solver_for_Duffing.pdf

What do you think about it?

Alexander Erlich
From: jwm on
On Feb 4, 7:38 am, Alexander Erlich <alexander.erl...(a)gmail.com>
wrote:
>  Hello,
>
> because of the equations I typed my question in Latex and uploaded it
> here:http://www.airlich.de/Semester5/Fragen/Nichtlineare_Dynamik/Fortran_W...
>
> What do you think about it?
>
> Alexander Erlich

You can start by browsing the netlib repository ( http://www.netlib.org/liblist.html
). Maybe odepack fits your needs.