[Scilab-users] Multiple regression on semi-log plot

[Stéphane Mottelet]

Hi,

It is possible to fit a more general piecewise-affine model, but you 
will have to know in advance the number of "kinks"

S.

Le 16/11/2020 à 09:49, arctica1963 a écrit :
> Hello,
>
> Thanks for showing how it works, always good to get a proper understanding.
>
> Just wondering if the code can be adapted to find multiple straight line
> segments? Looking at my original test data, it appears to have "kinks" at
> wavenumber (0.05, 0.12 and 0.16), the last one is where the x plots. I am
> guessing that it needs some threshold or tolerance control as the angles at
> the kink points may be small or larger.
>
> Many thanks for the guidance.
> Lester
>
>
>
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-- 
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet