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Posted to issues@commons.apache.org by "Gilles (JIRA)" <ji...@apache.org> on 2015/10/30 03:41:27 UTC

[jira] [Resolved] (MATH-1202) PiecewiseBicubicSplineInterpolatingFunction - allow to extrapolate

     [ https://issues.apache.org/jira/browse/MATH-1202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles resolved MATH-1202.
--------------------------
    Resolution: Not A Problem

No feedback...

> PiecewiseBicubicSplineInterpolatingFunction - allow to extrapolate
> ------------------------------------------------------------------
>
>                 Key: MATH-1202
>                 URL: https://issues.apache.org/jira/browse/MATH-1202
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.4.1
>            Reporter: dmitry dementiev
>              Labels: interpolation
>
> PiecewiseBicubicSplineInterpolatingFunction is not able to interpolate if the value we want to calculate is out of the points/values. Other libs provide functionality to make some extrapolation. 
> In geospatial analysis, for example it is a must have feature, because the locations of points and values are almost always not at the border of the shape that we want to interpolate.



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