| Function Name |
Mark of Introduction |
Purpose |
| e02adc
Example Text Example Data |
5 | nag_1d_cheb_fit Computes the coefficients of a Chebyshev series polynomial for arbitrary data |
| e02aec
Example Text Example Data |
5 | nag_1d_cheb_eval Evaluates the coefficients of a Chebyshev series polynomial |
| e02afc
Example Text Example Data |
5 | nag_1d_cheb_interp_fit Computes the coefficients of a Chebyshev series polynomial for interpolated data |
| e02agc
Example Text Example Data Example Plot |
7 | nag_1d_cheb_fit_constr Least squares polynomial fit, values and derivatives may be constrained, arbitrary data points |
| e02ahc
Example Text Example Plot |
7 | nag_1d_cheb_deriv Derivative of fitted polynomial in Chebyshev series form |
| e02ajc
Example Text |
7 | nag_1d_cheb_intg Integral of fitted polynomial in Chebyshev series form |
| e02akc
Example Text Example Plot |
7 | nag_1d_cheb_eval2 Evaluation of fitted polynomial in one variable from Chebyshev series form |
| e02alc
Example Text Example Data |
24 | nag_1d_minimax_polynomial Minimax curve fit by polynomials |
| e02bac
Example Text Example Data |
2 | nag_1d_spline_fit_knots Least squares curve cubic spline fit (including interpolation), one variable |
| e02bbc
Example Text Example Data |
2 | nag_1d_spline_evaluate Evaluation of fitted cubic spline, function only |
| e02bcc
Example Text Example Data |
2 | nag_1d_spline_deriv Evaluation of fitted cubic spline, function and derivatives |
| e02bdc
Example Text Example Data |
2 | nag_1d_spline_intg Evaluation of fitted cubic spline, definite integral |
| e02bec
Example Text Example Data Example Plot |
2 | nag_1d_spline_fit Least squares cubic spline curve fit, automatic knot placement, one variable |
| e02bfc
Example Text Example Data |
24 | nag_fit_1dspline_deriv_vector Evaluation of fitted cubic spline, function and optionally derivatives at a vector of points |
| e02cac
Example Text Example Data Example Plot |
7 | nag_2d_cheb_fit_lines Least squares surface fit by polynomials, data on lines parallel to one independent coordinate axis |
| e02cbc
Example Text Example Data Example Plot |
7 | nag_2d_cheb_eval Evaluation of fitted polynomial in two variables |
| e02dac
Example Text Example Data Example Plot |
8 | nag_2d_spline_fit_panel Least squares surface fit, bicubic splines |
| e02dcc
Example Text Example Data |
2 | nag_2d_spline_fit_grid Least squares bicubic spline fit with automatic knot placement, two variables (rectangular grid) |
| e02ddc
Example Text Example Data |
2 | nag_2d_spline_fit_scat Least squares bicubic spline fit with automatic knot placement, two variables (scattered data) |
| e02dec
Example Text Example Data |
2 | nag_2d_spline_eval Evaluation of bicubic spline, at a set of points |
| e02dfc
Example Text Example Data |
2 | nag_2d_spline_eval_rect Evaluation of bicubic spline, at a mesh of points |
| e02dhc
Example Text Example Data |
23 | nag_2d_spline_deriv_rect Evaluation of spline surface at mesh of points with derivatives |
| e02gac
Example Text Example Data |
7 | nag_lone_fit -approximation by general linear function |
| e02gcc
Example Text Example Data |
7 | nag_linf_fit -approximation by general linear function |
| e02jdc
Example Text Example Data Example Plot |
24 | nag_2d_spline_fit_ts_scat Spline approximation to a set of scattered data using a two-stage approximation method |
| e02jec | 24 | nag_2d_spline_ts_eval Evaluation at a vector of points of a spline computed by nag_2d_spline_fit_ts_scat (e02jdc) |
| e02jfc | 24 | nag_2d_spline_ts_eval_rect Evaluation at a mesh of points of a spline computed by nag_2d_spline_fit_ts_scat (e02jdc) |
| e02rac
Example Text |
7 | nag_1d_pade Padé approximants |
| e02rbc
Example Text Example Plot |
7 | nag_1d_pade_eval Evaluation of fitted rational function as computed by nag_1d_pade (e02rac) |
| e02zac
Example Text Example Data |
8 | nag_2d_panel_sort Sort two-dimensional data into panels for fitting bicubic splines |
| e02zkc | 24 | nag_fit_opt_set Option setting routine |
| e02zlc | 24 | nag_fit_opt_get Option getting routine |