[Matrix-SIG] Adding a Sparse matrix object

[Robin Becker]

In article <Pine.LNX.4.10.9905181532100.16080-100000@us2.mayo.edu>,
Travis Oliphant <Oliphant.Travis@mayo.edu> writes
>
>I had the necessity of iteratively inverting a large linear system with
>the conjugate gradient method and wanted to use Python, but there is only
>rudimentary sparse matrix support.  (I couldn't find anything to solve my
>problem (without extra coding in C)).  So I had to use MATLAB, which has a
>rather nice sparse matrix implementation.
>
>Is there an interest in developing a sparse matrix object with appropriate
>methods and functions defined to complement the array object?  I
>suppose to be symmetric it should be a sparse array object... I'm
>interested in generating some discussion on this topic if there are any
>takers.
>
>Thanks,
>
>Travis Oliphant
>
>
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>Matrix-SIG maillist  -  Matrix-SIG@python.org
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I think more than one sparse matrix format would be useful. The direct
sparse solvers have more than one format (banded, symmetric etc).
Iterative methods add to this.
-- 
Robin Becker