Re: License of PyCogent - replacement of standard mathematical procedures
On Mon, Sep 6, 2010 at 1:40 PM, Sylvestre Ledru <sylvestre@debian.org> wrote:
> Le lundi 06 septembre 2010 à 13:34 +0200, Andreas Tille a écrit :
>> Hi,
>>
>> when reading the copyright of python-cogent[1] and seeing that
>> the only problem is in two files
>>
>> Files: cogent/maths/matrix_invert.c
>> cogent/maths/eigen.c (partly)
>> License:
>> Redistribution is ok as long with proper copyright notice.
>> It is free to use/modify/redistribute only for academia. Others
>> need to contact the authors.
>>
>> I really wonder whether there should be no free replacement for
>> algorithms to invert a matrix and calculating eigen values (I have not
>> looked at the source but the file names seem to be speaking above. Does
>> anybody know a reasonable free math library which we might direct
>> upstream to to finally free this code which is quite interesting for
>> Debian Med?
> I guess Eigen has what you need
> http://eigen.tuxfamily.org/
> but it is C++...
Eigen 3 BTW eigen 2 is limited to real (adjoint) eigenvalue...
> Sylvestre
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