Design and multidimensional extension of iterative methods for solving nonlinear problems

S. Artidiello, Alicia Cordero, Juan R. Torregrosa and M.P. Vassileva

Applied Mathematics and Computation, 2017, vol. 293, issue C, 194-203

Abstract: In this paper, a three-step iterative method with sixth-order local convergence for approximating the solution of a nonlinear system is presented. From Ostrowski’s scheme adding one step of Newton with ’frozen’ derivative and by using a divided difference operator we construct an iterative scheme of order six for solving nonlinear systems. The computational efficiency of the new method is compared with some known ones, obtaining good conclusions. Numerical comparisons are made with other existing methods, on standard nonlinear systems and the classical 1D-Bratu problem by transforming it in a nonlinear system by using finite differences. From this numerical examples, we confirm the theoretical results and show the performance of the presented scheme.

Keywords: Nonlinear systems; Iterative method; Convergence; Efficiency index; Bratu’s problem (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:293:y:2017:i:c:p:194-203

DOI: 10.1016/j.amc.2016.08.034

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