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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MATH-586) Allow using a custom root-finding algorithm to detect state events
Date Tue, 14 Jun 2011 18:08:47 GMT

     [ https://issues.apache.org/jira/browse/MATH-586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luc Maisonobe resolved MATH-586.
--------------------------------

    Resolution: Fixed

Patch applied (it was almost perfect!)

Solved in subversion repository as of r1135726.

Thanks for the report and for the patch

> Allow using a custom root-finding algorithm to detect state events
> ------------------------------------------------------------------
>
>                 Key: MATH-586
>                 URL: https://issues.apache.org/jira/browse/MATH-586
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.0
>         Environment: n/a
>            Reporter: Dennis Hendriks
>              Labels: patch
>             Fix For: 3.0
>
>         Attachments: custom_solver_for_state_events.patch, custom_solver_for_state_events2.patch
>
>
> When using an ODEIntegrator, event handlers can be added. The event handlers result in
the construction of an EventState instance. Internally, that class uses a hard-coded instance
of BrentSolver as root-finding algorithm. It should be possible to provide a custom root-finding
algorithm to detect state events.

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