[vox-tech] ODE solvers in C

[Matt Holland]

I must admit I know very little about numerical methods, but I have 
written little Euler method solvers on occasion (albeit in more 
forgiving languages than C).  However, my advisor tells me that I'll 
need to use a method that's good for stiff ODEs.  This doesn't mean much 
to me as my ODE training is woefully inadequate, but he said I should 
use the Gear method.  I was just wondering what the C programmers out 
there use, since I was having trouble finding stuff.  Leave it to Pete 
to write his own solvers... I don't know that I'll go down that road.

Thanks to Shawn for the suggestions.  I'll look into linking Fortran 
code and I'll take a look at NIST.

Thanks,
Matt

On Tuesday, July 9, 2002, at 09:13 PM, Peter Jay Salzman wrote:

> matt,
>
> if you're talking about an ODE, i'd seriously consider writing your own.
>
> if this is for scientific work, nothing can beat having intimate
> knowledge about not only the algorithms that you use but the
> implementation.  i've spent some time on some of the C ODE stuff (which
> you can find via google) and decided to roll my own.
>
> what kind of equation is it?  is there some kind of special
> consideration about this ODE that makes it difficult to solve via
> a standard euler-type difference method?
>
> pete
>
>
> begin Matt Holland <mdholland@ucdavis.edu>
>> Anyone know of a good free library of ODE solvers in C?  I seem to be
>> able to find plenty of stuff in Fortran, but not in C.
>>
>> Thanks,
>> Matt
>>
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