On some computational orders of convergence
- Grau-Sánchez, M. 1
- Noguera, M. 1
- Gutiérrez, J.M. 2
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1
Universitat Politècnica de Catalunya
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2
Universidad de La Rioja
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ISSN: 0893-9659
Ano de publicación: 2010
Volume: 23
Número: 4
Páxinas: 472-478
Tipo: Artigo
beta Ver similares en nube de resultadosOutras publicacións en: Applied Mathematics Letters
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Resumo
Two variants of the Computational Order of Convergence (COC) of an iterative method for solving nonlinear equations are presented. Furthermore, the way to approximate the COC and the new variants to the local order of convergence is analyzed. The new definitions given here does not involve the unknown root. Numerical experiments using adaptive arithmetic with multiple precision and a stopping criteria are implemented without using any known root. © 2009 Elsevier Ltd. All rights reserved.