Hi.

There is also a long-pending issue on that subject:
  https://issues.apache.org/jira/browse/MATH-172

Regards,
Gilles


On Thu, 21 Apr 2016 02:55:42 +0200, Gilles wrote:
Hi.

On Fri, 15 Apr 2016 21:41:32 -0400, Stefan Hubert wrote:
Hello Gilles,

the Java code I have from LSODA is from a C-Code translation, which was at
MIT license.

I would definitely offer the LSODA Java code I already have, to get things started. Is anyone else interested in starting this project? How can we
start it?

You could post a proposal on the "dev" ML.
But you should be ready to make most of the adaptation work; Commons Math
is a project that needs contributors... :-}

Best,
Stefan



On Fri, Apr 15, 2016 at 9:00 AM, Gilles <gil...@harfang.homelinux.org>
wrote:

Hello.

On Fri, 15 Apr 2016 08:30:39 -0400, Stefan Hubert wrote:

Hi everybody!

I am curious if a support for solving stiff ordinary differential
equations
is planned in future?

There are a lot of them available for Fortran 77 (e. g.

https://people.sc.fsu.edu/~jburkardt/f77_src/odepack/odepack.html). I do
have a direct Java translation


We should be wary of direct translations, as they are no more
understandable
than the original source.
Commons Math, being implemented in _pure_ Java, should be an
object-oriented
library.

of LSODE,


Unless I'm mistaken, there is no license.

maybe this helps to get started?


Yes, if you are willing to use it as a reference implementation of a new,
independent, free, object-oriented version of the functionality.

Best regards,
Gilles


Best,
Stefan



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