Some novel optimal eighth order derivative-free root solvers and their basins of attraction

Janak Raj Sharma and Himani Arora

Applied Mathematics and Computation, 2016, vol. 284, issue C, 149-161

Abstract: We present two families of derivative-free methods with eighth order convergence for solving nonlinear equations. Each method of the families requires four function evaluations per full iteration, that means, the families are optimal in the sense of the hypothesis of Kung–Traub (1974). Computational results and comparison (including CPU time) with existing methods confirm the efficient and robust character of new methods. Moreover, the presented basins of attraction also confirm equal or better performance of the methods as compared to other established methods in literature.

Keywords: Nonlinear equations; Multipoint iterative methods; Derivative free methods; Optimal convergence order; Attraction basins (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:284:y:2016:i:c:p:149-161

DOI: 10.1016/j.amc.2016.02.054

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