Abstract
In this manuscript, we present a new class of highly efficient two-parameter optimal iterative methods for solving nonlinear systems that generalizes Ostrowski’s method, King’s Family, Chun’s method, and KLAM Family in multidimensional context. This class is an extension to systems of the Ermakov’s Hyperfamily. The fourth order of convergence of the members of the class is demonstrated, thus obtaining optimal schemes for solving nonlinear systems. The high efficiency of the elements of the class is studied, compared with other known methods of the same order or even higher, and some numerical proofs are presented. We also analyze its robustness.
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The authors would thank to the anonymous reviewer for his/her suggestions and comments that have improved the final version of this manuscript.
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Conceptualization, A.C.; methodology, R.V.R.; software, M.P.V.; validation, J.R.T.; formal analysis, A.C.; investigation, R.V.R.; writing—original draft preparation, R.V.R. and M.P.V.; writing—review and editing, A.C. and J.R.T.; supervision, J.R.T. All authors have read and agreed to the published version of the manuscript.
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Cordero, A., Rojas-Hiciano, R.V., Torregrosa, J.R. et al. A highly efficient class of optimal fourth-order methods for solving nonlinear systems. Numer Algor 95, 1879–1904 (2024). https://doi.org/10.1007/s11075-023-01631-9
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DOI: https://doi.org/10.1007/s11075-023-01631-9