[SciPy-user] Usage of block matrices in scipy
Nils Wagner
nwagner at mecha.uni-stuttgart.de
Thu Sep 23 09:23:00 EDT 2004
Alan G Isaac wrote:
>On Thu, 23 Sep 2004, Nils Wagner apparently wrote:
>
>
>>How can I introduce block matrices in scipy;
>>given matrices A and B of appropraite order, I would like to build matrices
>>of the form
>>C = [A B]
>>or
>>C = [A; B]
>>
>>
>
>Do you need the blocks to be identifiable after building?
>If not, just use concatenate.
>
>
>
>>BTW, I cannot find functions for the Kronecker product
>>
>>
>
>Look in the most recent numarray for code.
>It will work in Numeric.
>
>
>
>>and the vec operator
>>
>>
>
>Try reshape.
>
>hth,
>Alan Isaac
>
>PS Here's a Kronecker product:
> http://www.scipy.org/mailinglists/mailman?fn=scipy-user/2003-September/002138.html
>
>
>
>
Thank you for your reply.
I have used r_[A, B] and c_[A,B] respectively.
BTW, it would be nice to have both Kronecker product and vec-operator
as s t a n d a r d functions in scipy.
Maybe Pearu or Travis can manage that...
Nils
>_______________________________________________
>SciPy-user mailing list
>SciPy-user at scipy.net
>http://www.scipy.net/mailman/listinfo/scipy-user
>
>
--
Dr.-Ing. Nils Wagner
Institut A für Mechanik
Universität Stuttgart
Pfaffenwaldring 9
D-70550 Stuttgart
Tel.: (+49) 0711 685 6262
Fax.: (+49) 0711 685 6282
E-mail: nwagner at mecha.uni-stuttgart.de
More information about the SciPy-User
mailing list