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 Radius of Curvature

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T O P I C    R E V I E W
ventaky Posted - 07/11/2005 : 5:39:48 PM
Hi
I was wondering if it's possible to find the radius of curvature of a 3D surface in origin. If yes please let me know how.
Thank you
Venkatesh
1   L A T E S T    R E P L I E S    (Newest First)
Leo_Li Posted - 07/13/2005 : 11:25:17 PM
How about this solution?

1. In Analysis->Nonlinear Curve Fit->Advance Fitting Tool dialog, define a new function: z = sqrt(r^2 - x^2 - y^2) with parameter r and independent var x, y.
2. Fit the 3D surface to the equation. The fitted r is the radius?

Leo

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