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Re: DAEs with Mathematica


Reinhard Oldenburg <roldenburg at gmx.de> wrote in message news:<ambv2i$r3b$1 at smc.vnet.net>...
> I need to solve algebraic-differential-equations
> (some of index 1, maybe some of higher index as well)
> from within Mathematica 4.2.
> Is there an implementation of numerical (like DASSL)
> or symbolic algorithms capable of doing that around?
> 
> I know that some numerical software systems which
> may have DASSL-routines that do what
> I want. Has anybody  suggestions on which of these
> systems is easy to interface with Mathematica?
> Is there a C++ library that contains such routines and can be
> interfaced with Mathematica?

Reinhard,

have you tried the NDAESolve package that comes with the circuit
analysis toolbox Analog Insydes? You can get a free evaluation version
of Analog Insydes from www.analog-insydes.de.

Best regards,

  Eckhard Hennig


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