[SciPy-User] optimize.fmin_cobyla giving nan to objective function

Christopher Jordan-Squire cjordan1@uw....
Mon Aug 1 14:49:20 CDT 2011


Could you send the code that's causing the problem?

-Chris Jordan-Squire

On Mon, Aug 1, 2011 at 2:23 PM, Gustavo Goretkin <gustavo.goretkin@gmail.com
> wrote:

> I am using the Gaussian Process module in scikit-learn. It uses
> optimize.fmin_cobyla to find the best hyper-parameters. It looks like,
> though, that fmin_cobyla is, after a couple of iterations, feeding nan to
> the objective function. Any ideas?
>
> scipy.__version__ = '0.10.0.dev7180'
>
> Thanks,
> Gustavo
>
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