Is there an easy way to find the radius of curvature of a series of points?

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Simon
Simon 2013-7-8
编辑： Walter Roberson 2022-3-13
Is there an easy way to find the radius of curvature of a series of points? I can fit a spline (7th order most likely) to the curve if I have to, but id really rather not.
Failing that, are there any ways of describing a curve, or curve metrics, without accurately knowing the endpoint? (hence using the radius of curvature)

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Jonathan Sullivan
Yup. There are a few solutions on the file exchange.
For 2D lines try this link
For 3D surfaces try this one
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