Ordinary differential equations system: runge-kutta with adaptive step
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From: Allamarein on 25 Jul 2010 12:25 Where can I find a code to solve ODEs with runge-kutta method and adaptive step?
From: Allamarein on 25 Jul 2010 12:33 On 25 Lug, 18:25, Allamarein <matteo.diplom...(a)gmail.com> wrote: > Where can I find a code to solve ODEs with runge-kutta method and > adaptive step? I found this: http://www.ma.utexas.edu/CNA/cheney-kincaid/f77code/CHP10/rk45ad.f Someone is able to modify that in order it can solve a system and not a single equation?
From: mecej4 on 25 Jul 2010 13:18
Allamarein wrote: > On 25 Lug, 18:48, none <n...(a)none.net> wrote: >> On Sun, 25 Jul 2010 09:25:44 -0700, Allamarein wrote: >> > Where can I find a code to solve ODEs with runge-kutta method and >> > adaptive step? >> >> www.netlib.org >> >> There are serebarl RUnge Kutta solvers. >> >> Or try a search for either of the following >> >> Runge Kutta rk23 >> Runge Kutta rk45 >> >> and of course there are textbooks. >> >> Most good numerical methods textbooks will include the essential theory >> plus a simple code, alays a good starting point before being exposed to >> the more comprehensive coding appraoch found in the rk23/rk45 families. > > My browser cannot open netlib now. > Anyway can you post the exact link with code interesting me? http://netlib.sandia.gov/master/index.html -- mecej4 |