Hello in a vb program they use 3rd degree approx and get this value including displacement:(SC) [image: image.png]
Ii think that i'm doing the same with numpy but I get different value does anyone can help me please radious = [1821, 1284, 957, 603,450, 245] y = [6722, 6940, 7227, 7864,8472, 10458] p = np.polyfit(radious, y, 3,) t = np.polyval(p, radious) [ 6703.33694696 7061.23784145 7051.49974149 7838.84623289 8654.47847319 10373.60076402] You can see polyval is difference from the sc. of the table Any help is really appreciated
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