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Acceleration of the Robust Newton Method by the Use of the S-iteration

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Computational Science – ICCS 2021 (ICCS 2021)

Abstract

In this paper, we propose an improvement of the Robust Newton’s Method (RNM). The RNM is a generalisation of the known Newton’s root finding method restricted to polynomials. Unfortunately, the RNM is slow. Thus, in this paper, we propose the acceleration of this method by replacing the standard Picard iteration in the RNM by the S-iteration. This leads to an essential acceleration of the modified method. We present the advantages of the proposed algorithm over the RNM using polynomiagraphs and some numerical measures. Moreover, we present its possible application to the generation of artistic patterns.

W. Kotarski—Independent Researcher.

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Correspondence to Krzysztof Gdawiec .

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Gdawiec, K., Kotarski, W., Lisowska, A. (2021). Acceleration of the Robust Newton Method by the Use of the S-iteration. In: Paszynski, M., Kranzlmüller, D., Krzhizhanovskaya, V.V., Dongarra, J.J., Sloot, P.M.A. (eds) Computational Science – ICCS 2021. ICCS 2021. Lecture Notes in Computer Science(), vol 12742. Springer, Cham. https://doi.org/10.1007/978-3-030-77961-0_28

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  • DOI: https://doi.org/10.1007/978-3-030-77961-0_28

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  • Print ISBN: 978-3-030-77960-3

  • Online ISBN: 978-3-030-77961-0

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