非線形曲面フィット

Non-linear-Surface-Fitting-FitFunc

Chebyshev2D	Cosine	DoseResp	Exponential2D	Extreme2D
ExtremeCum	Fourier2D	Gauss2D	GaussCum	Gaussian2D
LogisticCum	LogNormal2D	Lorentz2D	Parabola2D	Plane
Poly2D	Polynomial2D	Power2D	Rational2D	RationalTaylor
Voigt2D	Voigt2DMod