Quintic B-spline method for numerical solution of second-order singularly perturbed delay differential equations

Document Type : Research Paper

Authors

Symbiosis Institute of Technology, Pune Campus, Symbiosis International (Deemed University), Pune, India.

Abstract

This article presents a quintic B-spline method to find an approximate solution of the second-order singularly perturbed differential equation in which the convection term occurs with a negative shift. The proposed method gives rise to a pentadiagonal linear system. Thomas' algorithm is employed to solve the obtained system of equations. The method’s convergence is examined through truncation error analysis, and the existence and uniqueness of the solution are also established. Maximum absolute error is tabulated for two numerical examples, proving the proposed method’s efficiency. Graphs are drawn to show the behavior of the solution. A comparative study shows that the obtained solution is better than the previous solutions in the literature. The method is found to be fourth-order convergent. The effect of the delay parameter on the boundary region is also discussed in the example.

Keywords

Main Subjects

References

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Computational Methods for Differential Equations
Volume 14, Issue 1
January 2026
Pages 36-49

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History

  • Receive Date: 01 May 2024
  • Revise Date: 10 August 2024
  • Accept Date: 29 October 2024

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