Hi Luc,
thanks for you immediate reply. I know the odeToJava package, but I do
not really like the style of the code that much. Anyhow, this seems to
be the only available solution right now. Will there also be a Bader-
Deuflhard or Gear algorithm in version 2.0? Can you give a rough
estimate of the time when 2.0 will be available (+- 1 year)?
Arne
Am 11.06.2008 um 20:33 schrieb Luc Maisonobe:
Arne Dieckmann a écrit :
Dear all,
I'm quite new to the field of numerical mathematics and need to
write an
application which is able to integrate stiff ODEs. I have looked
through
the math-package and did not find an algorithm suitable for that
problem. Am I right or did I miss an appropriate method? If the
package
does not contain a suitable algorithm, can you suggest any other
package? Thanks for your help...
The current version of commons-math does not handle stiff problems.
I will certainly add support for version 2.0 which is currently under
development, but cannot provide a time frame for that. On of the first
implemented solver for this kind of problems will be radau5.
For now, you can try the odeToJava package provided by Netlib:
http://www.netlib.org/ode/odeToJava.tgz
Luc
Regards,
Arne
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