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Tytuł: Polynomiography Based on the Non-standard Newton-like Root Finding Methods
Autor: Gdawiec, Krzysztof
Kotarski, Wiesław
Lisowska, Agnieszka
Słowa kluczowe: polynomiography; iteration processes; root finding
Data wydania: 2015
Źródło: Abstract and Applied Analysis, vol. 2015, Article ID 797594, 19 pages, (2015)
Abstrakt: In this paper a survey of some modifications based on the classic Newton's and the higher order Newton-like root finding methods for complex polynomials are presented. Instead of the standard Picard's iteration several different iteration processes, described in the literature, that we call as non-standard ones, are used. Kalantari's visualizations of root finding process are interesting from at least three points of view: scientific, educational, and artistic. By combining different kinds of iterations, different convergence tests, and different colouring we obtain a great variety of polynomiographs. We also check experimentally that using complex parameters instead of real ones in multi-parameter iterations do not destabilize the iteration process. Moreover, we obtain nicely looking polynomiographs that are interesting from the artistic point of view. Real parts of the parameters alter symmetry, whereas imaginary ones cause asymmetric twisting of polynomiographs.
DOI: 10.1155/2015/797594
ISSN: 1085-3375
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