[SciPy-dev] patch: allow arrayobject.h to compile in c++ compiler

Charles R Harris charlesr.harris at gmail.com
Wed Nov 23 15:58:45 CST 2005


>
> I'll make it up by working on numerical code I can actually do something
> useful with.  I'll try to contribute something for fitting, the included
> polyfit is nice but numerically less uniform in error and stable (due to
> condition issues) than a Chebyshev-based fit.  There's also the lingering
> issue of numerically stable evaluation of polyval()...  I'll find
> something to
> pay for my mistakes with :)
>
> Apologies...
>
> Cheers,



I've attached the Python routines I use for Chebychev stuff. It is also
possible to solve ODEs over an interval by sampling at the Chebychev points
and treating the derivative as a matrix. Of course, boundary conditions need
to be added so that the resulting matrix isn't singular.

Chuck
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