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https://issues.apache.org/jira/browse/MATH-395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luc Maisonobe closed MATH-395.
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Closing issue as it was included in version 2.2, which has been released
> Bugs in "BrentOptimizer"
> ------------------------
>
> Key: MATH-395
> URL: https://issues.apache.org/jira/browse/MATH-395
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 2.1
> Reporter: Gilles
> Assignee: Gilles
> Fix For: 2.2
>
>
> I apologize for having provided a buggy implementation of Brent's
> optimization algorithm (class "BrentOptimizer" in package
> "optimization.univariate").
> The unit tests didn't show that there was something wrong, although (from the
> "changes.xml" file) I discovered that, at the time, Luc had noticed something
> weird in the implementation's behaviour.
> Comparing with an implementation in Python, I could figure out the fixes.
> I'll modify "BrentOptimizer" and add a test. I also propose to change the
> name of the unit test class from "BrentMinimizerTest" to "BrentOptimizerTest".
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