Generalized third-kind Chebyshev tau approach for treating the time fractional cable problem

This work introduces a computational method for solving the time-fractional cable equation (TFCE). We utilize the tau method for the numerical treatment of the TFCE, using generalized Chebyshev polynomials of the third kind (GCPs3) as basis functions. The integer and fractional derivatives of the GC...

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Bibliographic Details
Published in:Electronic research archive 2024, Vol.32 (11), p.6200-6224
Main Authors: Abd-Elhameed, Waleed Mohamed, Alqubori, Omar Mazen, Al-Harbi, Abdulrahman Khalid, Alharbi, Mohammed H., Atta, Ahmed Gamal
Format: Article
Language:English
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Summary:This work introduces a computational method for solving the time-fractional cable equation (TFCE). We utilize the tau method for the numerical treatment of the TFCE, using generalized Chebyshev polynomials of the third kind (GCPs3) as basis functions. The integer and fractional derivatives of the GCPs3 are the essential formulas that serve to transform the TFCE with its underlying conditions into a matrix system. This system can be solved using a suitable algorithm to obtain the desired approximate solutions. The error bound resulting from the approximation by the proposed method is given. The numerical algorithm has been validated against existing methods by presenting numerical examples.
ISSN:2688-1594
2688-1594
DOI:10.3934/era.2024288