Comment on the paper by Jalal et al. [Chaos, Solitons and Fractals 135 (2020) 109712]

Bawar Mohammed Faraj, Pishtiwan Othman Sabir, Dana Taha Mohammed Salih and Hozan Hilmi

Chaos, Solitons & Fractals, 2024, vol. 187, issue C

Abstract: In the paper by Jalal et al. [1], the authors present phase portraits of a differential system exhibiting chaotic behavior with line equilibria. This commentary identifies inaccuracies in the provided figures and offers corrected versions. Specifically, discrepancies were found in Fig. 1 (phase portraits with parameters a=15 and b=1) and Fig. 2 (phase portraits with parameters a=0 and b=5). Corrected figures, along with MATLAB codes for verification, are provided. These corrections are discussed in the context of chaotic systems with line equilibria, referencing Jafari and Sprott's work [2], which explores similar systems.

Keywords: Chaotic systems; Darboux integrals; Darboux polynomials; Exponential factors (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:187:y:2024:i:c:s0960077924009809

DOI: 10.1016/j.chaos.2024.115428

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