[SciPy-dev] Compiling pysparse from the sandbox

[Robert Cimrman]

Nathan Bell wrote:
> Just out of curiosity, is there important functionality that PySparse
> offers that's not currently available in SciPy?  From what I can tell,
> PySparse has a few preconditioners and an eigensolver, in addition to
> what SciPy also has.
> 
> Is there an interest in including these or any other sparse features in SciPy?
> 
> I have some Algebraic Multigrid code (AMG) that I've been working on
> for a while.  I've implemented the so-called "classical" AMG of Ruge &
> Stuben and also Smoothed Aggregation as described in by Vanek et. al.
> 
> Would others be interested in using AMG in SciPy?  For those not
> familiar with AMG, or multigrid in general - multigrid can solve
> linear systems that arise in certain elliptic PDEs (e.g. Poisson
> equations, heat diffusion, linear elasticity, etc) in optimal time.
> Furthermore, the AMG methods mentioned above are "black box" in the
> sense that only the matrix needs to be provided to the solver - so no
> knowledge of the mesh geometry is necessary.

I'd love to see an AMG implementation in SciPy!

r.