Sphere Fit (least squared) by Alan Jennings

Fits a sphere to a set of noisy data. Does not require a wide arc or many points. (least squares, sphere, fitting curves)

sphereFit_Example

sphereFit(X)

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (approximation, splinefit, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)