E02 (Fit)

Curve and Surface Fitting

E02 (Fit) Chapter Introduction – A description of the Chapter and an overview of the algorithms available.

Routine |
Mark of Introduction |
Purpose |
---|---|---|

e02adf | 5 | nagf_fit_dim1_cheb_arb Least squares curve fit, by polynomials, arbitrary data points |

e02aef | 5 | nagf_fit_dim1_cheb_eval Evaluation of fitted polynomial in one variable from Chebyshev series form (simplified parameter list) |

e02aff | 5 | nagf_fit_dim1_cheb_glp Least squares polynomial fit, special data points (including interpolation) |

e02agf | 8 | nagf_fit_dim1_cheb_con Least squares polynomial fit, values and derivatives may be constrained, arbitrary data points |

e02ahf | 8 | nagf_fit_dim1_cheb_deriv Derivative of fitted polynomial in Chebyshev series form |

e02ajf | 8 | nagf_fit_dim1_cheb_integ Integral of fitted polynomial in Chebyshev series form |

e02akf | 8 | nagf_fit_dim1_cheb_eval2 Evaluation of fitted polynomial in one variable from Chebyshev series form |

e02alf | 25 | nagf_fit_dim1_minimax_polynomial Minimax curve fit by polynomials |

e02baf | 5 | nagf_fit_dim1_spline_knots Least squares curve cubic spline fit (including interpolation) |

e02bbf | 5 | nagf_fit_dim1_spline_eval Evaluation of fitted cubic spline, function only |

e02bcf | 7 | nagf_fit_dim1_spline_deriv Evaluation of fitted cubic spline, function and derivatives |

e02bdf | 7 | nagf_fit_dim1_spline_integ Evaluation of fitted cubic spline, definite integral |

e02bef | 13 | nagf_fit_dim1_spline_auto Least squares cubic spline curve fit, automatic knot placement |

e02bff | 24 | nagf_fit_dim1_spline_deriv_vector Evaluation of fitted cubic spline, function and optionally derivatives at a vector of points |

e02caf | 7 | nagf_fit_dim2_cheb_lines Least squares surface fit by polynomials, data on lines parallel to one independent coordinate axis |

e02cbf | 7 | nagf_fit_dim2_cheb_eval Evaluation of fitted polynomial in two variables |

e02daf | 6 | nagf_fit_dim2_spline_panel Least squares surface fit, bicubic splines |

e02dcf | 13 | nagf_fit_dim2_spline_grid Least squares surface fit by bicubic splines with automatic knot placement, data on rectangular grid |

e02ddf | 13 | nagf_fit_dim2_spline_sctr Least squares surface fit by bicubic splines with automatic knot placement, scattered data |

e02def | 14 | nagf_fit_dim2_spline_evalv Evaluation of fitted bicubic spline at a vector of points |

e02dff | 14 | nagf_fit_dim2_spline_evalm Evaluation of fitted bicubic spline at a mesh of points |

e02dhf | 23 | nagf_fit_dim2_spline_derivm Evaluation of spline surface at mesh of points with derivatives |

e02gaf | 7 | nagf_fit_glin_l1sol ${L}_{1}$-approximation by general linear function |

e02gbf | 7 | nagf_fit_glinc_l1sol ${L}_{1}$-approximation by general linear function subject to linear inequality constraints |

e02gcf | 8 | nagf_fit_glin_linf ${L}_{\infty}$-approximation by general linear function |

e02jdf | 24 | nagf_fit_dim2_spline_ts_sctr Spline approximation to a set of scattered data using a two-stage approximation method |

e02jef | 24 | nagf_fit_dim2_spline_ts_evalv Evaluation at a vector of points of a spline computed by e02jdf |

e02jff | 24 | nagf_fit_dim2_spline_ts_evalm Evaluation at a mesh of points of a spline computed by e02jdf |

e02raf | 7 | nagf_fit_pade_app Padé approximants |

e02rbf | 7 | nagf_fit_pade_eval Evaluation of fitted rational function as computed by e02raf |

e02zaf | 6 | nagf_fit_dim2_spline_sort Sort two-dimensional data into panels for fitting bicubic splines |

e02zkf | 24 | nagf_fit_opt_set Option setting routine |

e02zlf | 24 | nagf_fit_opt_get Option getting routine |