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Offline Jean Giraud  
#1 Posted : 13 March 2018 17:11:18(UTC)
Jean Giraud

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Joined: 04/07/2015(UTC)
Posts: 6,868
Canada

Was thanked: 980 time(s) in 808 post(s)
This document will extract the spline coefficients and will return these 4:
1. The splined plot/interpolation
2. The 1rst derivative plot/interpolate
3. The 2nd derivative as points, that you can linterp/interpolate
4. The cumulative integration, that you can linterp/interpolate

In this demo document, we have used a function, but you can do same
from your Engineering function or from your data set providing it
is sufficiently clean/smooth.

Enjoy, cheers ... Jean

SplineToolBox.PNG

Spline l_p_c [ToolBox].sm (59kb) downloaded 47 time(s).
thanks 1 user thanked Jean Giraud for this useful post.
on 13/03/2018(UTC)

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Offline Andrey Ivashov  
#2 Posted : 13 March 2018 21:09:02(UTC)
Andrey Ivashov


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Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member
Joined: 11/07/2008(UTC)
Posts: 1,616
Man
Russian Federation

Was thanked: 1978 time(s) in 666 post(s)
6.4 seconds on 0.99.6646 (i7 8850U).
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