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https://issues.apache.org/jira/browse/MATH-937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590750#comment-13590750
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Luc Maisonobe commented on MATH-937:
------------------------------------

Javadoc updated as of r1451658.
                
> NoBracketingException after event was found
> -------------------------------------------
>
>                 Key: MATH-937
>                 URL: https://issues.apache.org/jira/browse/MATH-937
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.1.1
>            Reporter: Christoph Höger
>         Attachments: ApacheCommonsBouncingBall.java, 
> ApacheCommonsBouncingBallTest.java
>
>
> The BracketingNthOrderBrentSolver used by the EmbeddedRungeKuttaIntegrator 
> fails, if an event is detected twice with a NoBracketingException.
> The problem lies in line EventState.java line 262 (version 3.1.1). Here the 
> event detection function f is applied to an arbitrary choosen value of time. 
> If the event detector crosses zero before this time, the solver throws the 
> mentioned exception.

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