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A Triparametric Family of Optimal Fourth-Order Multiple-Root Finders and Their Dynamics

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  • Young Ik Kim
  • Young Hee Geum

Abstract

We investigate the complex dynamics of a triparametric family of optimal fourth-order multiple-root solvers by analyzing their basins of attraction along with extensive study of Möbius conjugacy maps and extraneous fixed points applied to a prototype quadratic polynomial raised to the power of the known integer multiplicity . A uniform grid centered at the origin covering square region is chosen to display the initial points on each basin of attraction according to a coloring scheme based on their orbit behavior. With illustrative basins of attractions applied to various test polynomials and the corresponding statistical data for convergence as well as a number of comparisons made among the listed methods, we confirm our investigation and analysis developed in this paper.

Suggested Citation

  • Young Ik Kim & Young Hee Geum, 2016. "A Triparametric Family of Optimal Fourth-Order Multiple-Root Finders and Their Dynamics," Discrete Dynamics in Nature and Society, Hindawi, vol. 2016, pages 1-23, March.
    • Handle: RePEc:hin:jnddns:8436759
    DOI: 10.1155/2016/8436759
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