e02 - Curve and Surface Fitting

Chapter Introduction
e02adc	nag_1d_cheb_fit Computes the coefficients of a Chebyshev series polynomial for arbitrary data
e02aec	nag_1d_cheb_eval Evaluates the coefficients of a Chebyshev series polynomial
e02afc	nag_1d_cheb_interp_fit Computes the coefficients of a Chebyshev series polynomial for interpolated data
e02bac	nag_1d_spline_fit_knots Least-squares curve cubic spline fit (including interpolation), one variable
e02bbc	nag_1d_spline_evaluate Evaluation of fitted cubic spline, function only
e02bcc	nag_1d_spline_deriv Evaluation of fitted cubic spline, function and derivatives
e02bdc	nag_1d_spline_intg Evaluation of fitted cubic spline, definite integral
e02bec	nag_1d_spline_fit Least-squares cubic spline curve fit, automatic knot placement, one variable
e02dcc	nag_2d_spline_fit_grid Least-squares bicubic spline fit with automatic knot placement, two variables (rectangular grid)
e02ddc	nag_2d_spline_fit_scat Least-squares bicubic spline fit with automatic knot placement, two variables (scattered data)
e02dec	nag_2d_spline_eval Evaluation of bicubic spline, at a set of points
e02dfc	nag_2d_spline_eval_rect Evaluation of bicubic spline, at a mesh of points