Extracting points representing curve
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I have certain set of (x,y) coordinates representing a shape. How to extract those points which define a curve among the available points?
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KSSV
il 20 Ago 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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