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Posted to issues@commons.apache.org by "Luc Maisonobe (JIRA)" <ji...@apache.org> on 2012/09/13 17:27:07 UTC

[jira] [Updated] (MATH-172) implementation of implicit Runge-Kutta method for stiff differential equations

     [ https://issues.apache.org/jira/browse/MATH-172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe updated MATH-172:
-------------------------------

    Fix Version/s:     (was: 3.1)
                   4.0

Postponing to 4.0.
                
> implementation of implicit Runge-Kutta method for stiff differential equations
> ------------------------------------------------------------------------------
>
>                 Key: MATH-172
>                 URL: https://issues.apache.org/jira/browse/MATH-172
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 1.2
>            Reporter: James Housden
>            Assignee: Luc Maisonobe
>             Fix For: 4.0
>
>         Attachments: bdf-2009-07-07.patch
>
>
> In version 1.2 several explicit Runge-Kutta methods have been implemented which work fine for non-stiff problems. However these methods are not suitable for stiff equations. The implementation of an implicit Runge-Kutta method such as Radau5 would extend the functionality of the ode package to cover the solution of stiff ordinary differential equations.

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