A novel hybrid method for solving combined functional neutral differential equations with several delays and investigation of convergence rate via residual function

Document Type : Research Paper

Authors

1 Department of Mathematics, Izmir University of Economics, Izmir 35330, Turkey

2 Department of Software Engineering, Manisa Celal Bayar University, Manisa 45400, Turkey

3 Department of Mathematics, Manisa Celal Bayar University, Manisa 45140, Turkey

Abstract

In this study, we introduce a novel hybrid method based on a simple graph along with operational matrix to solve the combined functional neutral differential equations with several delays. The matrix relations of the matching polynomials of complete and path graphs are employed in the matrix-collocation method. We improve the obtained solutions via an error analysis technique. The oscillation of them on time interval is also estimated by coupling the method with Laplace-Pad'{e} technique. We develop a general computer program and so we can efficiently monitor the precision of the method. We investigate a convergence rate of the method by constructing a formula based on the residual function. Eventually, an algorithm is described to show the easiness of the method.

Keywords

Computational Methods for Differential Equations
Volume 7, Issue 3
July 2019
Pages 396-417

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History

  • Receive Date: 16 August 2018
  • Revise Date: 08 November 2018
  • Accept Date: 10 November 2018

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