[SciPy-user] calling scipy methods from fortran code...

fred fredmfp@gmail....
Tue Jul 3 04:35:39 CDT 2007


Nils Wagner a écrit :
> fred wrote:
>   
>> Dominique Orban a écrit :
>>   
>>     
>>> Fred,
>>>
>>> The de-facto standard for solving symmetric indefinite linear systems is a 
>>> package called MA27 from the Harwell Subroutine Library. This one is available 
>>> for free for non-commercial and research projects 
>>> (http://hsl.rl.ac.uk/archive/hslarchive.html).
>>>
>>>   
>>>     
>>>       
>> Dominique,
>>
>> I read on the nlpy page that MA27 is for sparse matrices.
>> My matrices are not sparse, but dense.
>> Should I still use it ?
>>
>>
>> Cheers,
>>
>>   
>>     
> In that case I suggest CVXOPT which comes with a LAPACK interface (LDL^T
> factorization is included as opposed to scipy).
> See
>   
>>>> help (cvxopt.lapack.sytrf)
>>>> help (cvxopt.lapack.sytrs)
>>>>         
Thanks.

-- 
http://scipy.org/FredericPetit



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