NAG Fortran Library

E02 – Curve and Surface Fitting

E02 Chapter Introduction

Routine
Name
Mark of
Introduction

Purpose
E02ACF Example Text 1 Minimax curve fit by polynomials
E02ADF Example Text Example Data 5 Least-squares curve fit, by polynomials, arbitrary data points
E02AEF Example Text Example Data 5 Evaluation of fitted polynomial in one variable from Chebyshev series form (simplified parameter list)
E02AFF Example Text Example Data 5 Least-squares polynomial fit, special data points (including interpolation)
E02AGF Example Text Example Data 8 Least-squares polynomial fit, values and derivatives may be constrained, arbitrary data points
E02AHF Example Text 8 Derivative of fitted polynomial in Chebyshev series form
E02AJF Example Text 8 Integral of fitted polynomial in Chebyshev series form
E02AKF Example Text 8 Evaluation of fitted polynomial in one variable from Chebyshev series form
E02BAF Example Text Example Data 5 Least-squares curve cubic spline fit (including interpolation)
E02BBF Example Text Example Data 5 Evaluation of fitted cubic spline, function only
E02BCF Example Text Example Data 7 Evaluation of fitted cubic spline, function and derivatives
E02BDF Example Text Example Data 7 Evaluation of fitted cubic spline, definite integral
E02BEF Example Text Example Data 13 Least-squares cubic spline curve fit, automatic knot placement
E02CAF Example Text Example Data 7 Least-squares surface fit by polynomials, data on lines
E02CBF Example Text Example Data 7 Evaluation of fitted polynomial in two variables
E02DAF Example Text Example Data 6 Least-squares surface fit, bicubic splines
E02DCF Example Text Example Data 13 Least-squares surface fit by bicubic splines with automatic knot placement, data on rectangular grid
E02DDF Example Text Example Data 13 Least-squares surface fit by bicubic splines with automatic knot placement, scattered data
E02DEF Example Text Example Data 14 Evaluation of fitted bicubic spline at a vector of points
E02DFF Example Text Example Data 14 Evaluation of fitted bicubic spline at a mesh of points
E02GAF Example Text Example Data 7 L1-approximation by general linear function
E02GBF Example Text Example Data 7 L1-approximation by general linear function subject to linear inequality constraints
E02GCF Example Text Example Data 8 L-approximation by general linear function
E02RAF Example Text 7 Padé-approximants
E02RBF Example Text 7 Evaluation of fitted rational function as computed by E02RAF
E02ZAF Example Text Example Data 6 Sort two-dimensional data into panels for fitting bicubic splines

Table of Contents
© The Numerical Algorithms Group Ltd, Oxford UK. 2002