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  1. Home > Articles & Issues >
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  3. On extensions of the ...
Conference paper

On extensions of the Newton-Raphson iterative scheme to arbitrary orders

Gilbert Labelle (1) (2)
(1) Département d'informatique [Montréal]
(2) Laboratoire de combinatoire et d'informatique mathématique [Montréal]
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Imported on
January 31, 2017
Published on
December 31, 2009
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AN, 22nd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2010)
Proceedings
DOI
10.46298/dmtcs.2824
License
https://about.hal.science/hal-authorisation-v1
Natural Sciences and Engineering Research Council of Canada
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On extensions of the Newton-Raphson iterative scheme to arbitrary orders

Gilbert Labelle (1) (2)
(1) Département d'informatique [Montréal]
(2) Laboratoire de combinatoire et d'informatique mathématique [Montréal]
Abstract
English
The classical quadratically convergent Newton-Raphson iterative scheme for successive approximations of a root of an equation $f(t)=0$ has been extended in various ways by different authors, going from cubical convergence to convergence of arbitrary orders. We introduce two such extensions, using appropriate differential operators as well as combinatorial arguments. We conclude with some applications including special series expansions for functions of the root and enumeration of classes of tree-like structures according to their number of leaves.
French
Le schéma itératif classique à convergence quadratique de Newton-Raphson pour engendrer des approximations successives d'une racine d'une équation $f(t)=0$ a été étendu de plusieurs façons par divers auteurs, allant de la convergence cubique à des convergences d'ordres arbitraires. Nous introduisons deux telles extensions en utilisant des opérateurs différentiels appropriés ainsi que des arguments combinatoires. Nous terminons avec quelques applications incluant des développements en séries exprimant des fonctions de la racine et l'énumération de classes de structures arborescentes selon leur nombre de feuilles.
Keywords
  • [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Newton-Raphson iteration
  • order of convergence
  • combinatorial species
  • tree-like structures
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