On an efficient k-step iterative method for nonlinear equations

  1. Amat, S. 1
  2. Bermúdez, C. 1
  3. Hernández-Verón, M.A. 2
  4. Martínez, E. 3
  1. 1 Universidad Politécnica de Cartagena
    info

    Universidad Politécnica de Cartagena

    Cartagena, España

    ROR https://ror.org/02k5kx966

  2. 2 Universidad de La Rioja
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    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  3. 3 Universidad Politécnica de Valencia
    info

    Universidad Politécnica de Valencia

    Valencia, España

    ROR https://ror.org/01460j859

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Revista:
Journal of Computational and Applied Mathematics

ISSN: 0377-0427

Any de publicació: 2016

Volum: 302

Pàgines: 258-271

Tipus: Article

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DOI: 10.1016/J.CAM.2016.02.003 SCOPUS: 2-s2.0-84959511037 WoS: WOS:000374601100019 GOOGLE SCHOLAR

Altres publicacions en: Journal of Computational and Applied Mathematics

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Resum

This paper is devoted to the construction and analysis of an efficient k-step iterative method for nonlinear equations. The main advantage of this method is that it does not need to evaluate any high order Fréchet derivative. Moreover, all the k-step have the same matrix, in particular only one LU decomposition is required in each iteration. We study the convergence order, the efficiency and the dynamics in order to motivate the proposed family. We prove, using some recurrence relations, a semilocal convergence result in Banach spaces. Finally, a numerical application related to nonlinear conservative systems is presented. © 2016 Elsevier B.V. All rights reserved.