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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-937) NoBracketingException after event was found
Date Fri, 01 Mar 2013 17:39:14 GMT

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

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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