Fits an ellipsoid or other conic surface into a 3D set of points approximating such a surface, allows some constraints, like orientation constraint and equal radii constraint. E.g., you can use it to fit a rugby ball, or a sphere. 'help ellipsoid_fit' says it all. Returns both the algebraic description of the ellipsoid (the nine coefficients of the quadratic form) and the geometric description (center, radii, principal axes).
Yury (2022). Ellipsoid fit (https://www.mathworks.com/matlabcentral/fileexchange/24693-ellipsoid-fit), MATLAB Central File Exchange. Retrieved .
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