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From Gilles <>
Subject Re: [math] BOBYQAOptimizer hang
Date Sat, 04 Jan 2014 14:22:04 GMT

> Thank you for recommending LevenbergMarquardtOptimizer. It works for 
> our
> function. However, it seems to take much longer than BOBYQAOptimizer. 
> Is
> this expected as it needs to compute gradient?

It's difficult to tell.
Someone listening here might provide some theoretical insight.

But if you suspect an implementation problem, it would be a good start
to post[1] a stripped-down version of your code (preferrably in the 
of a Junit test).


[1] The Java source code file(s) can be attached with a report on the 
     tracking system.

> [...]

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