| Routine 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 |
7 | nag_1d_cheb_fit_constr Least-squares polynomial fit, values and derivatives may be constrained, arbitrary data points |
| e02ahc Example Text |
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 |
7 | nag_1d_cheb_eval2 Evaluation of fitted polynomial in one variable from Chebyshev series form |
| 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 |
2 | nag_1d_spline_fit Least-squares cubic spline curve fit, automatic knot placement, one variable |
| e02cac Example Text Example Data |
7 | nag_2d_cheb_fit_lines Least-squares surface fit by polynomials, data on lines |
| e02cbc Example Text Example Data |
7 | nag_2d_cheb_eval Evaluation of fitted polynomial in two variables |
| e02dac Example Text Example Data |
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 |
| e02gac Example Text Example Data |
7 | nag_lone_fit L1-approximation by general linear function |
| e02gcc Example Text Example Data |
7 | nag_linf_fit L∞-approximation by general linear function |
| e02rac Example Text |
7 | nag_1d_pade Padé-approximants |
| e02rbc Example Text |
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 |