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Easy way to change the scale of one curve to fit another curve

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NIvvei
NIvvei el 14 de Jun. de 2019
Comentada: Walter Roberson el 21 de Jun. de 2019
I have one curve serve as reference. And then I run simulation to generate another simulated curve. The simulated curve may of different scale compared to the reference, for instance, it maybe "taller", or "fatter", but the basic shape of the two curves are similar. I want to scale (by this I mean "squeeze" or "stretch") the simulated curve, such that the simulated curve fits best to the refernece curve.
Both curves are regular bell-like curves with regular peaks and valleys.
  2 comentarios
Walter Roberson
Walter Roberson el 14 de Jun. de 2019
This sounds similar to dynamic time warping, dtw()
NIvvei
NIvvei el 14 de Jun. de 2019
Thanks for pointing that out!
It is very close, but not exactly what I need. I will need to stretch the whole simulated curve by the same factor, while dtw() stretches partial curves.

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Respuestas (2)

Eamonn
Eamonn el 21 de Jun. de 2019
titled: "Have we ever seen a pattern that looks just like this, but possibly at a different length?"

Eamonn
Eamonn el 21 de Jun. de 2019

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