Extracting points representing curve

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Shweta Saboo
Shweta Saboo on 20 Aug 2020
Answered: KSSV on 20 Aug 2020
I have certain set of (x,y) coordinates representing a shape. How to extract those points which define a curve among the available points?
  3 Comments
KSSV
KSSV on 20 Aug 2020
Okay share the data and what you expect.

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Answers (1)

KSSV
KSSV on 20 Aug 2020
In case are you looking for polyfit. ? Let (x,y) be the points you have and you want fit a quadratic polynomial.
p = polyfit(x,y,2) ;
xi = x ;
yi = polyval(p,xi) ;
iwant = [xi yi] ; % assuming xi, yi to be column arrays

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