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Posted to issues@commons.apache.org by "Luc Maisonobe (JIRA)" <ji...@apache.org> on 2010/02/09 21:09:27 UTC

[jira] Closed: (MATH-341) Test for firsst Derivative in PolynomialFunction ERROR

     [ https://issues.apache.org/jira/browse/MATH-341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe closed MATH-341.
------------------------------

    Resolution: Fixed

added a warning in getCoefficients() method documentation
fixed in subversion repository as of r908190
thanks for reporting the problem

> Test for firsst Derivative in PolynomialFunction ERROR
> ------------------------------------------------------
>
>                 Key: MATH-341
>                 URL: https://issues.apache.org/jira/browse/MATH-341
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: Roger BAll
>         Attachments: FirstDerivativePolyNomTest.java
>
>
> I have written the attached test using our data for generating a curve function
> However the first derivative test fails see: testfirstDerivativeComparisonFullPower
> Either my test is in error or there is a bug in PolynomialFunction class.
> Roger Ball
> Creoss Business Solutions 

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