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Name of the curvature

  1. Jul 2, 2014 #1
    I am working on a paper that provides the following formula for computing radius of curvature at a point on a surface.

    [tex]\frac{1}{\rho_c}=\frac{\partial G/\partial S}{2\sqrt{E}G}[/tex]

    where [tex]E[/tex],[tex]G[/tex] are first fundamental coefficients and [tex]S[/tex] is the arc length parameter.

    Can any one please tell me the name of the curvature the above mentioned formula computes.
  2. jcsd
  3. Jul 4, 2014 #2


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