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Operational matrix formulation of Legendre LSSVR for Caputo-type integro-differential equations

    Authors

    • Armin Ghasem Nejad 1
    • Alireza Afzal Aghaei 2
    • Sohrab Ali Yousefi 1
    • Kourosh Parand 3

    1 Department of Applied Mathematics, Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, Iran.

    2 Department of Computer and Data Sciences, Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, Tehran, Iran.

    3 Department of Computer and Data Sciences, Shahid Beheshti University, Tehran, Iran

,

Document Type : Regular paper

10.48308/CMCMA.4.2.1
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Abstract

This study develops a numerical framework for solving Caputo-type fractional integro-differential equations using a hybrid formulation that integrates Legendre polynomial operational matrices within the Least Squares Support Vector Regression (LSSVR) paradigm. The proposed method reformulates the governing equations by representing all differential, integral, and integral-kernel operators in matrix form, derived from the orthogonality and recurrence properties of Legendre bases. This leads to a fully vectorized constrained optimization problem, subsequently reduced to a symmetric linear system via Karush–Kuhn–Tucker conditions. The approach retains the spectral convergence characteristics of orthogonal polynomial methods while incorporating the regularization and flexibility of LSSVR. Numerical experiments on benchmark problems with known solutions demonstrate exponential accuracy and high numerical stability across varying polynomial degrees. This formulation accommodates both Fredholm and Volterra integral structures and directly incorporates Caputo initial conditions without reformulation. The method is compatible with higher-dimensional extensions and adaptable to various kernel approximations.

Keywords

  • Fractional Calculus
  • Operational Matrix
  • Legendre Polynomials
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Computational Mathematics and Computer Modeling with Applications (CMCMA)
Volume 4, Issue 2
September 2025
Pages 1-8
Files
  • XML
  • PDF 169.2 K
History
  • Receive Date: 15 August 2025
  • Revise Date: 22 August 2025
  • Accept Date: 04 September 2025
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How to cite
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  • Mendeley
  • BibTeX
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Statistics
  • Article View: 11,051
  • PDF Download: 11,193

APA

Ghasem Nejad, A. , Afzal Aghaei, A. , Yousefi, S. A. and Parand, K. (2025). Operational matrix formulation of Legendre LSSVR for Caputo-type integro-differential equations. Computational Mathematics and Computer Modeling with Applications (CMCMA), 4(2), 1-8. doi: 10.48308/CMCMA.4.2.1

MLA

Ghasem Nejad, A. , , Afzal Aghaei, A. , , Yousefi, S. A. , and Parand, K. . "Operational matrix formulation of Legendre LSSVR for Caputo-type integro-differential equations", Computational Mathematics and Computer Modeling with Applications (CMCMA), 4, 2, 2025, 1-8. doi: 10.48308/CMCMA.4.2.1

HARVARD

Ghasem Nejad, A., Afzal Aghaei, A., Yousefi, S. A., Parand, K. (2025). 'Operational matrix formulation of Legendre LSSVR for Caputo-type integro-differential equations', Computational Mathematics and Computer Modeling with Applications (CMCMA), 4(2), pp. 1-8. doi: 10.48308/CMCMA.4.2.1

CHICAGO

A. Ghasem Nejad , A. Afzal Aghaei , S. A. Yousefi and K. Parand, "Operational matrix formulation of Legendre LSSVR for Caputo-type integro-differential equations," Computational Mathematics and Computer Modeling with Applications (CMCMA), 4 2 (2025): 1-8, doi: 10.48308/CMCMA.4.2.1

VANCOUVER

Ghasem Nejad, A., Afzal Aghaei, A., Yousefi, S. A., Parand, K. Operational matrix formulation of Legendre LSSVR for Caputo-type integro-differential equations. Computational Mathematics and Computer Modeling with Applications (CMCMA), 2025; 4(2): 1-8. doi: 10.48308/CMCMA.4.2.1

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