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https://issues.apache.org/jira/browse/MATH-1650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Scholz updated MATH-1650:
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Attachment: 2025-01-02_ClampedSplineInterpolator.patch
> 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
> Priority: Minor
> Labels: Polynomials, interpolation, spline
> Attachments: 2022-10-05_ClampedSplineInterpolator.patch,
> 2025-01-02_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
>
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