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Extending the applicability of a seventh-order method for equations under generalized conditions

Volume 50 / 2023

Samundra Regmi, Ioannis K. Argyros, Santhosh George, Christopher Argyros Applicationes Mathematicae 50 (2023), 167-175 MSC: Primary 65J20; Secondary 49M15, 74G20, 41A25. DOI: 10.4064/am2439-2-2023 Published online: 27 March 2023

Abstract

We extend the applicability of a seventh-order method for solving Banach space-valued equations. This is achieved by using generalized conditions on the first derivative which only appears in the method. Earlier works use conditions up to the eighth derivative to establish convergence. Our technique is very general and can be used to extend the applicability of other methods along the same lines.

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