Spectral collocation method based on special functions for solving nonlinear high-order pantograph equations

Document Type : Research Paper

Authors

1 School of Advanced Sciences, Vellore Institute of Technology, Chennai Campus, Tamil Nadu, India.

2 Department of Mathematics, Pondicherry University, Puducherry, India.

3 Department of Mathematics, Faculty of Science, Akdeniz University, Antalya, Turkey.

Abstract

In this paper, a spectral collocation method for solving nonlinear pantograph type delay differential equations is presented. The basis functions used for the spectral analysis are based on Chebyshev, Legendre, and Jacobi polynomials. By using the collocation points and operations matrices of required functions such as derivative functions and delays of unknown functions, the method transforms the problem into a system of nonlinear algebraic equations. The solutions of this nonlinear system determine the coefficients of the assumed solution. The method is explained by numerical examples and the results are compared with the available methods in the literature. It is seen from the applications that our method gives more efficient results than that of the reported methods.

Keywords

References

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Computational Methods for Differential Equations
Volume 11, Issue 3
June 2023
Pages 589-604

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History

  • Receive Date: 06 June 2022
  • Revise Date: 19 December 2022
  • Accept Date: 03 January 2023

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