Derivative-Free Iterative Schemes for Multiple Roots of Nonlinear Functions

Author:

Arora Himani,Cordero AliciaORCID,Torregrosa Juan R.ORCID,Behl RamandeepORCID,Alharbi Sattam

Abstract

The construction of derivative-free iterative methods for approximating multiple roots of a nonlinear equation is a relatively new line of research. This paper presents a novel family of one-parameter second-order techniques. Our schemes are free from derivatives and have been designed to find multiple roots (m≥2). The new techniques involve the weight function approach. The convergence analysis for the new family is presented in the main theorem. In addition, some special cases of the new class are discussed. We also illustrate the applicability of our methods on van der Waals, Planck’s radiation, root clustering, and eigenvalue problems. We also contrast them with the known methods. Finally, the dynamical study of iterative schemes also provides a good overview of their stability.

Funder

Ministerio de Ciencia, innovación y Universidades

Publisher

MDPI AG

Subject

General Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)

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