NAG fl90 Library

Chapter 11: Quadrature

Chapter Introduction
Module 11.1: nag_quad_1d - Numerical Integration over a Finite Interval
nag_quad_1d_gen 1-d quadrature, adaptive, finite interval, allowing for badly behaved integrand, allowing for singularities at user-specified break-points, suitable for oscillatory integrands
nag_quad_1d_wt_trig 1-d quadrature, adaptive, finite interval, weight function cos(ω x) or sin(ω x)
nag_quad_1d_wt_end_sing 1-d quadrature, adaptive, finite interval, weight function with end-point singularities of algebraico-logarithmic type
nag_quad_1d_wt_hilb 1-d quadrature, adaptive, finite interval, weight function 1/(xc), Cauchy principal value (Hilbert transform)
nag_quad_1d_data 1-d quadrature, integration of function defined by data values, Gill-Miller method
Examples
Module 11.2: nag_quad_1d_inf - Numerical Integration over an Infinite Interval
nag_quad_1d_inf_gen 1-d quadrature, adaptive, semi-infinite or infinite interval
nag_quad_1d_inf_wt_trig 1-d quadrature, adaptive, semi-infinite interval, weight function cos(ω x) or sin(ω x)
Examples
Module 11.3: nag_quad_md - Multi-dimensional Integrals
nag_quad_md_rect Multi-dimensional adaptive quadrature over a hyper-rectangle
nag_quad_md_rect_mintg Multi-dimensional adaptive quadrature over a hyper-rectangle, multiple integrands
nag_quad_2d 2-d quadrature, finite region
nag_quad_monte_carlo Multi-dimensional quadrature over hyper-rectangle, Monte-Carlo method
Examples
Module 11.4: nag_quad_util - Numerical Integration Utilities
nag_quad_gs_wt_absc Calculation of weights and abscissae for Gaussian quadrature rules, general choice of rule
Examples


Release 4 Table of Contents
© The Numerical Algorithms Group Ltd, Oxford UK. 2000