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From "dmitry dementiev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MATH-1202) PiecewiseBicubicSplineInterpolatingFunction - allow to extrapolate
Date Fri, 13 Feb 2015 11:36:12 GMT
dmitry dementiev created MATH-1202:
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             Summary: 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


PiecewiseBicubicSplineInterpolatingFunction is not able to interpolate in out of the range
values. Other libs provide functionality to make extrapolation. 
In geospatial analysis, for example it's 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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