Frenet formula

[ fre-ney ]
/ frɛˈneɪ /

noun Mathematics.

one of a set of formulas for finding the curvature and torsion of a plane or space curve in terms of vectors tangent or normal to the curve.

Origin of Frenet formula

named after their discoverer, Jean (or Frédéric) Frenet (1816–1900), French mathematician Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019