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Re: Sparse matrices and iterative methods
- From: Brian Gough <bjg at network-theory dot co dot uk>
- To: Matthijs Sypkens Smit <matthijs at helena dot tux dot nu>
- Cc: gsl-discuss at sources dot redhat dot com
- Date: Wed, 16 Jul 2003 15:27:07 +0100
- Subject: Re: Sparse matrices and iterative methods
- References: <200307110021.49833.matthijs@helena.tux.nu>
Matthijs Sypkens Smit writes:
> I found a couple of posts in the mailinglist archive about sparse
> matrices. At that time it wasn't something under the consideration
> of being added to the GSL. It was suggested that you could easily
> use other software/libraries for this. I was wondering if the
> sentiment might have changed or maybe it's just a case of nobody
> being able or willing to implement it? I would personally like to
> see sparse matrix support and blas that can work with these,
> because in the field of iterative methods it can make a huge
> difference. Using dense matrices the largest systems my computer
> can handle is in the order of 5000 unknowns, because of the memory
> requirements.
>
> Besides this I was wondering in general if the implementation of
> certain iterative methods would be a welcome addition to the GSL?
> To me it would seem logical that these mathematical routines don't
> have to be implemented by each and every user, but are available in
> the library.
I don't think there has been any change in the thinking on sparse
matrices, but if you think you can write a good GPL'ed sparse matrix
library don't let it stop you.
regards
--
Brian Gough
Network Theory Ltd
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