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From "Vincent Ruch (JIRA)" <>
Subject [jira] [Commented] (MATH-896) BrentSolver : function value accuracy convergence criterion
Date Mon, 12 Nov 2012 15:15:13 GMT


Vincent Ruch commented on MATH-896:

Thanks for your answer. 
And this was obviously not the right place to post, so of course this report can be closed
> BrentSolver : function value accuracy convergence criterion
> -----------------------------------------------------------
>                 Key: MATH-896
>                 URL:
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: Vincent Ruch
>            Priority: Minor
> Hi everybody,
> In the current implementation of the Brent solver, it seems that attribute "functionValueAccuracy"
is only used in the "doSolve" method, before entering the iteration loop in "brent" method.

> Shouldn't it be a convergence test on the current function value to ensure that function
value accuracy is reached? 
> This is the first time I'm posting here, so maybe I have missed something. Sorry if it's
the case.
> Thanks for your time,
> Vincent

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