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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] Created: (MATH-365) Issue with "SmoothingBicubicSplineInterpolator"
Date Tue, 20 Apr 2010 14:22:50 GMT
Issue with "SmoothingBicubicSplineInterpolator"
-----------------------------------------------

                 Key: MATH-365
                 URL: https://issues.apache.org/jira/browse/MATH-365
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 2.1
            Reporter: Gilles
            Priority: Minor


I figured out that the name of this class is misleading as the implementation doesn't perform
the intended smoothing.

In order to solve this issue, I propose to:
# deprecate the "SmoothingBicubicSplineInterpolator" class
# create a "BicubicSplineInterpolator" class (similar to the above class but with the useless
code removed)
# remove the "SmoothingBicubicSplineInterpolatorTest" class
# add a "BicubicSplineInterpolatorTest" with essentially the same contents as the above one

Then I would also add a new "SmoothingPolynomialBicubicSplineInterpolator" where I used the
"PolynomialFitter" class to smooth the input data along both dimensions before the interpolating
function is computed.

Does someone object to these changes?


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