NAG CL Interface
C05 (Roots)
Roots of One or More Transcendental Equations

C05 (Roots) Chapter Introduction – A description of the Chapter and an overview of the algorithms available.

Function
Mark of
Introduction

Purpose
c05auc
Example Text
23 nag_roots_contfn_brent_interval
Zero of continuous function, Brent algorithm, from a given starting value, binary search for interval
c05avc
Example Text
9 nag_roots_contfn_interval_rcomm
Binary search for interval containing zero of continuous function (reverse communication)
c05awc
Example Text
23 nag_roots_contfn_cntin
Zero of continuous function, continuation method, from a given starting value
c05axc
Example Text
9 nag_roots_contfn_cntin_rcomm
Zero of continuous function, continuation method, from a given starting value (reverse communication)
c05ayc
Example Text
23 nag_roots_contfn_brent
Zero of continuous function in a given interval, Brent algorithm
c05azc
Example Text
9 nag_roots_contfn_brent_rcomm
Zero of continuous function in a given interval, Brent algorithm (reverse communication)
c05bac
Example Text
Example Data
9 nag_roots_lambertw_real
Real values of Lambert's W function, Wx
c05bbc
Example Text
Example Data
23 nag_roots_lambertw_complex
Values of Lambert's W function, Wz
c05mbc
Example Text
27 nag_roots_sys_func_aa
Solution of a system of nonlinear equations using Anderson acceleration
c05mdc
Example Text
26.1 nag_roots_sys_func_aa_rcomm
Solution of a system of nonlinear equations using Anderson acceleration (reverse communication)
c05qbc
Example Text
23 nag_roots_sys_func_easy
Solution of a system of nonlinear equations using function values only (easy-to-use)
c05qcc
Example Text
23 nag_roots_sys_func_expert
Solution of a system of nonlinear equations using function values only (comprehensive)
c05qdc
Example Text
23 nag_roots_sys_func_rcomm
Solution of a system of nonlinear equations using function values only (reverse communication)
c05qsc
Example Text
23 nag_roots_sparsys_func_easy
Solution of a sparse system of nonlinear equations using function values only (easy-to-use)
c05rbc
Example Text
23 nag_roots_sys_deriv_easy
Solution of a system of nonlinear equations using first derivatives (easy-to-use)
c05rcc
Example Text
23 nag_roots_sys_deriv_expert
Solution of a system of nonlinear equations using first derivatives (comprehensive)
c05rdc
Example Text
23 nag_roots_sys_deriv_rcomm
Solution of a system of nonlinear equations using first derivatives (reverse communication)
c05zdc
Example Text
23 nag_roots_sys_deriv_check
Check user's function for calculating first derivatives of a set of nonlinear functions of several variables