How to fit ascending data with piecewise linear function?
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Hi, I have a vector r sorted in asending order. Now I would like to fit this r with m+1 pieces, and extract the m internal points.
E.g, my data is:
r = [1,1.5,1.6,2,3,3.1,3.2,3.5]
If m = 2, then I can fit three lines to r, and the internal points are [2,3].
Is there a way to do this algorithmatically?
Thank you very much.