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Stability study of eighth-order iterative methods for solving nonlinear equations. (English) Zbl 06475020
Summary: In this paper, we study the stability of the rational function associated to a known family of eighth-order iterative schemes on quadratic polynomials. The asymptotic behavior of the fixed points corresponding to the rational function is analyzed and the parameter space is shown, in which we find choices of the parameter for which there exists convergence to cycles or even chaotical behavior showing the complexity of the family. Moreover, some elements of the family with good stability properties are obtained.
MSC:
65Numerical analysis
39Difference and functional equations
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