Routine Name |
Mark of Introduction |
Purpose |
e02adc | 5 |
nag_1d_cheb_fit
Computes the coefficients of a Chebyshev series polynomial for arbitrary data |
e02aec | 5 |
nag_1d_cheb_eval
Evaluates the coefficients of a Chebyshev series polynomial |
e02afc | 5 |
nag_1d_cheb_interp_fit
Computes the coefficients of a Chebyshev series polynomial for interpolated data |
e02agc | 7 |
nag_1d_cheb_fit_constr
Least-squares polynomial fit, values and derivatives may be constrained, arbitrary data points |
e02ahc | 7 |
nag_1d_cheb_deriv
Derivative of fitted polynomial in Chebyshev series form |
e02ajc | 7 |
nag_1d_cheb_intg
Integral of fitted polynomial in Chebyshev series form |
e02akc | 7 |
nag_1d_cheb_eval2
Evaluation of fitted polynomial in one variable from Chebyshev series form |
e02bac | 2 |
nag_1d_spline_fit_knots
Least-squares curve cubic spline fit (including interpolation), one variable |
e02bbc | 2 |
nag_1d_spline_evaluate
Evaluation of fitted cubic spline, function only |
e02bcc | 2 |
nag_1d_spline_deriv
Evaluation of fitted cubic spline, function and derivatives |
e02bdc | 2 |
nag_1d_spline_intg
Evaluation of fitted cubic spline, definite integral |
e02bec | 2 |
nag_1d_spline_fit
Least-squares cubic spline curve fit, automatic knot placement, one variable |
e02cac | 7 |
nag_2d_cheb_fit_lines
Least-squares surface fit by polynomials, data on lines |
e02cbc | 7 |
nag_2d_cheb_eval
Evaluation of fitted polynomial in two variables |
e02dcc | 2 |
nag_2d_spline_fit_grid
Least-squares bicubic spline fit with automatic knot placement, two variables (rectangular grid) |
e02ddc | 2 |
nag_2d_spline_fit_scat
Least-squares bicubic spline fit with automatic knot placement, two variables (scattered data) |
e02dec | 2 |
nag_2d_spline_eval
Evaluation of bicubic spline, at a set of points |
e02dfc | 2 |
nag_2d_spline_eval_rect
Evaluation of bicubic spline, at a mesh of points |
e02gac | 7 |
nag_lone_fit
L1-approximation by general linear function |
e02gcc | 7 |
nag_linf_fit
L∞-approximation by general linear function |
e02rac | 7 |
nag_1d_pade
Padé-approximants |
e02rbc | 7 |
nag_1d_pade_eval
Evaluation of fitted rational function as computed by e02rac |