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Comments on “Design of momentum fractional LMS for Hammerstein nonlinear system identification with application to electrically stimulated muscle model”

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Abstract

The purpose of this article is to discuss some aspects of the convergence analysis performed in the paper (Design of momentum fractional LMS for Hammerstein nonlinear system identification with application to electrically stimulated muscle model, Eur Phys J Plus 134: 407, 2019). It is highlighted that the way the authors prove convergence suffers a lack of correct and valid mathematical justifications.

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Authors and Affiliations

  1. Department of Mathematics, School of Sciences and Humanities, Nazarbayev University, 53 Kabanbay Batyr Avenue, 010000, Nur-Sultan, Kazakhstan

    Abdul Wahab

  2. Bio-Imaging, Signal Processing, and Learning Lab., Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea

    Shujaat Khan

  3. Department of Computer Science, University of Engineering and Technology Taxila, Taxila, 47080, Pakistan

    Farrukh Zeeshan Khan

Authors
  1. Abdul Wahab
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  2. Shujaat Khan
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  3. Farrukh Zeeshan Khan
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Correspondence to Abdul Wahab.

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Wahab, A., Khan, S. & Khan, F.Z. Comments on “Design of momentum fractional LMS for Hammerstein nonlinear system identification with application to electrically stimulated muscle model”. Eur. Phys. J. Plus 136, 1004 (2021). https://doi.org/10.1140/epjp/s13360-021-01482-0

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  • DOI: https://doi.org/10.1140/epjp/s13360-021-01482-0

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