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Offline Jean Giraud  
#1 Posted : 05 April 2019 23:51:44(UTC)
Jean Giraud


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Canada

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1. This type of spline is for high Technical/Scientific works.
2. It roams around points, governed by the vector of knots.
3. Not easy to manipulate: trial/error for best fit.
4. Most likely it will crash Smath ... save a working copy.
5. Supports indirectly integration [via Smath ainterp typical].
6. Supports infinitesimal derivative ...
at this point: you may adjust the vector of knots from
visual inspection of the derivative.

Jean

Spline0 Quadratic Lagrange Knots.sm (39kb) downloaded 25 time(s).
thanks 1 user thanked Jean Giraud for this useful post.
on 06/04/2019(UTC)
Offline Jean Giraud  
#2 Posted : 06 April 2019 17:58:57(UTC)
Jean Giraud


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Posts: 3,784
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... refactored for publishing.
Spline Lagrange of higher order exist, not conserved.

Jean

Spline0 Quadratic Lagrange Knots.sm (71kb) downloaded 21 time(s).
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