[SciPy-dev] Trouble with optimize.fmin_ncg

Nils Wagner nwagner@iam.uni-stuttgart...
Wed Jul 25 06:17:08 CDT 2007


dmitrey wrote:
> I copy-paste optimize.py from
>
> http://projects.scipy.org/scipy/scipy/browser/trunk/Lib/optimize/optimize.py?rev=3116&format=raw
>
> but the problem still remains.
>
> D.
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>   
Dmitrey,

Thank you for your additional tests. Finally I converted the sparse
matrices to dense arrays.
Now it works ! See trouble.py

So, the problem seems to be connected with scipy.sparse. Nathan, do you
have a clue ?

Nils
 
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