[SciPy-dev] sparse matrix support status

Nils Wagner nwagner at mecha.uni-stuttgart.de
Fri Sep 30 12:08:52 CDT 2005


On Fri, 30 Sep 2005 10:34:21 -0600
  Travis Oliphant <oliphant at ee.byu.edu> wrote:
> Robert Cimrman wrote:
> 
>> Hi all,
>>
>> I would like to know what is the status of the sparse 
>>matrix support 
>> in SciPy. Searching the scipy- mailing lists did not 
>>reveal anything 
>> recent. Is there some code to work on? I would like to 
>>help - though I 
>> am a newbie to the Scipy world, I do have experience 
>>with sparse 
>> matrices.
>>
>> If there is nothing yet, a quick possibility would be to 
>>wrap a 
>> library like sparskit2 and give it a pythonic feel. What 
>>are your 
>> opinions?
>>
> 
> There is a sparse matrix in SciPy now:  under 
>Lib/sparse.  I've implemented about 3 or 4 sparse 
>matrices over the years, using various libraries as 
>back-ends.  Right now, the sparse matrix code builds on 
>top of  superlu and some home-grown caclulation tools. 
> I'd love some help with this.  So, take a look at what's 
>there and see how you can help.
> 
> -Travis

How about ARPACK 
(http://www.caam.rice.edu/software/ARPACK/) ?
It would be great to have eigs in scipy as well.

Nils

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