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From "Kurt Pernstich (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MATH-798) PolynomialFitter.fit() stalls
Date Thu, 31 May 2012 20:26:23 GMT

     [ https://issues.apache.org/jira/browse/MATH-798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kurt Pernstich updated MATH-798:
--------------------------------

    Attachment: TestPolyFit.zip

JUnit Test case which fits a PolynomialFitter using a GaussNewtonOptimiaer (stalls) and a
LevenbergMarquardtOptimizer (works).
                
> PolynomialFitter.fit() stalls
> -----------------------------
>
>                 Key: MATH-798
>                 URL: https://issues.apache.org/jira/browse/MATH-798
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.0
>         Environment: Mac OS 10.6 and Win XP
>            Reporter: Kurt Pernstich
>         Attachments: TestPolyFit.zip
>
>
> Hi, in certain cases I ran into the problem that the PolynomialFitter.fit() method stalls,
meaning that it does not return, nor throw an Exception (even if it runs for 90 min). Is there
a way to tell the PolynomialFitter to iterate only N-times to ensure that my program does
not stall?

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