Extended convergence analysis of Newton-Potra solver for equations

In the paper a local and a semi-local convergence of combined iterative process for solving nonlinear operator equations is investigated. This solver is built based on Newton solver and has R-convergence order 1.839.... The radius of the convergence ball and convergence order of the investigated so...

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Main Authors: Ioannis Argyros, Stepan M. Shakhno, Yurii Shunkin, Halyna Yarmola
Format: Article
Language:English
Published: Publishing House of the Romanian Academy 2020-12-01
Series:Journal of Numerical Analysis and Approximation Theory
Subjects:
Online Access:http://localhost/jnaat/journal/article/view/1186
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author Ioannis Argyros
Stepan M. Shakhno
Yurii Shunkin
Halyna Yarmola
author_facet Ioannis Argyros
Stepan M. Shakhno
Yurii Shunkin
Halyna Yarmola
author_sort Ioannis Argyros
collection DOAJ
description In the paper a local and a semi-local convergence of combined iterative process for solving nonlinear operator equations is investigated. This solver is built based on Newton solver and has R-convergence order 1.839.... The radius of the convergence ball and convergence order of the investigated solver are determined in an earlier paper. Modifications of previous conditions leads to extended convergence domain. These advantages are obtained under the same computational effort. Numerical experiments are carried out on the test examples with nondifferentiable operator.
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spelling doaj.art-53fd24f913d64a93909953501276d9482023-07-05T17:34:06ZengPublishing House of the Romanian AcademyJournal of Numerical Analysis and Approximation Theory2457-67942501-059X2020-12-01492Extended convergence analysis of Newton-Potra solver for equationsIoannis Argyros0Stepan M. Shakhno1Yurii Shunkin2Halyna Yarmola3Cameron University, USAIvan Franko National University of Lviv, UkraineIvan Franko National University of Lviv, UkraineIvan Franko National University of Lviv, Ukraine In the paper a local and a semi-local convergence of combined iterative process for solving nonlinear operator equations is investigated. This solver is built based on Newton solver and has R-convergence order 1.839.... The radius of the convergence ball and convergence order of the investigated solver are determined in an earlier paper. Modifications of previous conditions leads to extended convergence domain. These advantages are obtained under the same computational effort. Numerical experiments are carried out on the test examples with nondifferentiable operator. http://localhost/jnaat/journal/article/view/1186nonlinear equation, nondifferentiable operator, local and semi-local convergence, order of convergence, divided difference
spellingShingle Ioannis Argyros
Stepan M. Shakhno
Yurii Shunkin
Halyna Yarmola
Extended convergence analysis of Newton-Potra solver for equations
Journal of Numerical Analysis and Approximation Theory
nonlinear equation, nondifferentiable operator, local and semi-local convergence, order of convergence, divided difference
title Extended convergence analysis of Newton-Potra solver for equations
title_full Extended convergence analysis of Newton-Potra solver for equations
title_fullStr Extended convergence analysis of Newton-Potra solver for equations
title_full_unstemmed Extended convergence analysis of Newton-Potra solver for equations
title_short Extended convergence analysis of Newton-Potra solver for equations
title_sort extended convergence analysis of newton potra solver for equations
topic nonlinear equation, nondifferentiable operator, local and semi-local convergence, order of convergence, divided difference
url http://localhost/jnaat/journal/article/view/1186
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AT halynayarmola extendedconvergenceanalysisofnewtonpotrasolverforequations