[SciPy-dev] Inconsistent behavior in optimize wrt the type of the initial guess (array versus matrix)

Nils Wagner nwagner at iam.uni-stuttgart.de
Thu Jan 11 08:18:03 CST 2007


Tim Leslie wrote:
> On 1/11/07, Nils Wagner <nwagner at iam.uni-stuttgart.de> wrote:
>   
>>  Hi,
>>
>> I have observed some inconsistent behavior of the optimization routines
>> wrt to the type of the initial guess.
>> I mean matrix versus array.
>>
>> For example optimize.fmin_ncg works with a matrix input while fmin_bfgs
>> segfaults.
>>     
>
> I can confirm this segfault. Nils, would you like to open a ticket for
> this so it doesn't get lost?
>
> Cheers,
>
> Tim
>
>   
Hi Tim,

I have already filed a ticket. Maybe it's the wrong place but I guess
the segfault is connected with numpy/core.
Is that correct ?
http://projects.scipy.org/scipy/numpy/ticket/418

Cheers,

                 Nils
 


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