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How to perform high-precision fitting of points on unknown trajectories? And calculate the fitting coefficient.

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Wesley 2020-12-30

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回答： Ameer Hamza 2020-12-30

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How to perform high-precision fitting of points on unknown trajectories? And calculate the fitting coefficient.

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Ameer Hamza 2020-12-30

What is the distribution of points? Do you have an equation for the curve?

Wesley 2020-12-30

Thanks for your reply, I have no equations yet. The picture below is the coordinates of the points and has not been fitted yet.

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Ameer Hamza 2020-12-30

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If you don't have the equation, then use a non-parametric curve fitting: https://www.mathworks.com/help/curvefit/nonparametric-fitting.html, especially see the smoothing splines. This requires the curve fitting toolbox.

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