Accelerated iterative methods for finding solutions of nonlinear equations and their dynamical behavior

被引:21
作者
Cordero, A. [1 ]
Fardi, M. [2 ]
Ghasemi, M. [3 ]
Torregrosa, J. R. [1 ]
机构
[1] Univ Politecn Valencia, Inst Matemat Multidisciplinar, E-46071 Valencia, Spain
[2] Islamic Azad Univ, Dept Math, Najafabad Branch, Najafabad, Iran
[3] Shahrekord Univ, Fac Math Sci, Dept Appl Math, Shahrekord, Iran
关键词
Convergence order; Efficiency index; Basin of attraction; Periodic orbit; Dynamical plane; Nonlinear equations; Iterative methods; MODIFIED OSTROWSKIS METHODS; OPTIMAL 8TH ORDER; CONVERGENCE; FAMILY; VARIANTS;
D O I
10.1007/s10092-012-0073-1
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we present a family of optimal, in the sense of Kung-Traub's conjecture, iterative methods for solving nonlinear equations with eighth-order convergence. Our methods are based on Chun's fourth-order method. We use the Ostrowski's efficiency index and several numerical tests in order to compare the new methods with other known eighth-order ones. We also extend this comparison to the dynamical study of the different methods.
引用
收藏
页码:17 / 30
页数:14
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