Will have a look when Gilles finished the change next week.
Dietmar
-Ursprüngliche Nachricht-
Von: Gilles Sadowski [mailto:gil...@harfang.homelinux.org]
Gesendet: Montag, 7. November 2011 15:22
An: dev@commons.apache.org
Betreff: Re: [math] CMA-ES input sigma
> [...]
> >
> [...]
> >
> > P.S. Please don't forget that the "CMAESOptimizer" is not yet upgraded to
> > use the new "optimize" API (for simple bounds); I intended to change
> > that by next week.
>
> Ah, thanks. This explain some strange behaviour I get. I will let you
> adapt this, for now I wil
Le 07/11/2011 14:42, Luc Maisonobe a écrit :
> Le 07/11/2011 14:24, Gilles Sadowski a écrit :
>> Hi Luc.
>>
>>> I am trying to use CMA-ES optimizer with simple boundaries.
>>> It seems the inputSigma parameter should be normalized as it is checked
>>> against the [0; 1] range in the checkParameters
Le 07/11/2011 14:24, Gilles Sadowski a écrit :
> Hi Luc.
>
>> I am trying to use CMA-ES optimizer with simple boundaries.
>> It seems the inputSigma parameter should be normalized as it is checked
>> against the [0; 1] range in the checkParameters private method and as
>> its value defaults to 0.3
Hi Luc.
> I am trying to use CMA-ES optimizer with simple boundaries.
> It seems the inputSigma parameter should be normalized as it is checked
> against the [0; 1] range in the checkParameters private method and as
> its value defaults to 0.3 if not not set in the initializeCMA private
> method.
I had exactly this problem (where it wasn't obvious that the sigma parameter
needed to be normalized to [0-1]), a few days ago. I think your second
solution is the more user friendly.
Bruce
On Nov 7, 2011, at 7:58 AM, Luc Maisonobe wrote:
> Hello,
>
> I am trying to use CMA-ES optimizer with
Hello,
I am trying to use CMA-ES optimizer with simple boundaries.
It seems the inputSigma parameter should be normalized as it is checked
against the [0; 1] range in the checkParameters private method and as
its value defaults to 0.3 if not not set in the initializeCMA private
method.
I would ha