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Approximate Solution of a Class of Highly Oscillatory Integral Equations Using an Exponential Fitting Collocation Method

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  • S. Khudhair Abbas
  • S. Sohrabi
  • H. Ranjbar
  • Xian-Ming Gu

Abstract

This paper deals with the numerical solution of a class of highly oscillatory Volterra integral equations by collocation methods based on the exponential fitting technique. By reviewing the oscillatory structures of solutions of these problems, we construct an exponential fitting collocation method which is best tuned to capture the qualitative behaviour of the solution of these equations. We also investigate the convergence properties of the proposed collocation solution based on the interpolation remainder. Some numerical examples are provided which illustrate the efficiency and accuracy of the proposed method and confirm its superiority over the polynomial collocation methods.

Suggested Citation

  • S. Khudhair Abbas & S. Sohrabi & H. Ranjbar & Xian-Ming Gu, 2023. "Approximate Solution of a Class of Highly Oscillatory Integral Equations Using an Exponential Fitting Collocation Method," Journal of Mathematics, Hindawi, vol. 2023, pages 1-12, November.
    • Handle: RePEc:hin:jjmath:9220664
    DOI: 10.1155/2023/9220664
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