Rodrigues' Curvature Formula

where is the unit normal vector and is one of the two principal curvatures.

See also

Normal Vector, Principal Curvatures

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Cite this as:

Weisstein, Eric W. "Rodrigues' Curvature Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RodriguesCurvatureFormula.html

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