Michael Scholz created MATH-1650:
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Summary: Add clamped spline interpolation
Key: MATH-1650
URL: https://issues.apache.org/jira/browse/MATH-1650
Project: Commons Math
Issue Type: New Feature
Affects Versions: 4.X
Reporter: Michael Scholz
Attachments: 2022-10-05_ClampedSplineInterpolator.patch
We would like to contribute a new _clamped_ spline interpolation function in
addition to the already available unclamped spline function. Our new
{{ClampedSplineInterpolator}} is based on the same textbook as the original
{{{}SplineInterpolator{}}}. The clamped spline offers additional
parameterisation of starting and ending slopes (1st derivatives) as boundary
conditions in order to provide more flexibility in spline creation.
In this patch we follow the approach of subclassing the original
{{SplineInterpolator}} and simply overloading it's {{interpolate()}} function
by these two additional parameters. Is this an acceptable way or does the
community recommend a different design approach?
After clarifying the basic implementation approach we could also supply
necessary tests etc. and finally contribute everything via ordinary GitHub pull
request.
Refer to our post on the dev mailing list:
[https://lists.apache.org/thread/34qnx4tgjbyv345lgmd57g0bnlnwdzc8|[https://lists.apache.org/thread/34qnx4tgjbyv345lgmd57g0bnlnwdzc8]]
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