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MathGroup Archive 1998

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Re: rkf45

  • To: mathgroup at smc.vnet.net
  • Subject: [mg13402] Re: [mg13364] rkf45
  • From: Carl Woll <carlw at fermi.phys.washington.edu>
  • Date: Thu, 23 Jul 1998 03:32:45 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

What's wrong with the built-in function NDSolve? Although it is a
general purpose integrator which uses the Adams method or the Gear
method depending on stiffness, you can choose to use a RKF method if
you want, with the option

Method -> RungeKutta

which uses a Fehlberg order 4-5 Runge-Kutta algorithm.

Carl Woll
Dept of Physics
U of Washington

On Mon, 20 Jul 1998 phpcp at csv.warwick.ac.uk wrote:

> Can someone give me a package/program/code for runge kutta fehlberg
> integrator that works fast (at least fast enough).
> 
> 
> cheers,
> Sanjay.
> 
> 



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