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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2013/12/20 20:34:10 UTC

[jira] [Resolved] (MATH-1082) Existing cutOff mechanism in SimplexSolver can lead to wrong solutions

     [ https://issues.apache.org/jira/browse/MATH-1082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart resolved MATH-1082.
-----------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 3.2)
                   3.3

Fixed in r1552792.

Plan to include several unit tests when mps loader is finished.

> Existing cutOff mechanism in SimplexSolver can lead to wrong solutions
> ----------------------------------------------------------------------
>
>                 Key: MATH-1082
>                 URL: https://issues.apache.org/jira/browse/MATH-1082
>             Project: Commons Math
>          Issue Type: Bug
>            Reporter: Thomas Neidhart
>             Fix For: 3.3
>
>
> The cutOff mechanism introduced in MATH-828 does not work in call cases correctly.
> Tests with the example from netlib have shown that sometimes an invalid solution is returned because of this.



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