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From Ole Ersoy <ole.er...@gmail.com>
Subject Re: [math] LevenbergMarquardt ParameterValidator
Date Fri, 05 Feb 2016 00:50:11 GMT


On 02/04/2016 04:30 PM, Gilles wrote:
> On Thu, 4 Feb 2016 15:08:30 -0600, Ole Ersoy wrote:
>> Hi,
>>
>> I'm attempting to understand when and how I would want to use the
>> ParameterValidator WRT LevenbergMarquardt problem construction. Anyone
>> have any stories they can share?
>
> It is possible that the optimizer wants to try a certain value
> for an optimized parameter that entails a constraint on another:
> the validator can attempt to reconcile them. It might be better
> to return a different point rather than fail.
So how do I recognize this scenario and put in place a ParameterValidator that is appropriate?
 What is the event that causes the validate method to be triggered?

Ole


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