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A continuous five-step implicit block unification method for numerical solution of second-order elliptic partial differential equations

Author

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  • Emmanuel Oluseye Adeyefa
  • Ezekiel Olaoluwa Omole

Abstract

A continuous implicit block unification method (CIBUM) is developed through the interpolation and collocation approach using Hermite polynomial as the basis function. The method is chosen within the interval of step-number of five. The basis function was interpolated at the first two consecutive points while the collocation was done at all the points within the interval of integration. The discrete scheme and their corresponding first derivative were combined to form the five-step implicit block unification method (FIBUM) of order six. The FIBUM is applied to solve second-order elliptic partial differential equations via the method of lines by transforming the PDEs into ODEs. The basic properties of FIBUM were investigated and found to be convergence and p-stable. The method was implemented on five test problems varying from linear, nonlinear, and nonlinear Klein-Gordon differential equations, and the results were presented. The results established the accuracy of the FIBUM over the existing ones.

Suggested Citation

  • Emmanuel Oluseye Adeyefa & Ezekiel Olaoluwa Omole, 2023. "A continuous five-step implicit block unification method for numerical solution of second-order elliptic partial differential equations," International Journal of Mathematics in Operational Research, Inderscience Enterprises Ltd, vol. 24(3), pages 360-386.
    • Handle: RePEc:ids:ijmore:v:24:y:2023:i:3:p:360-386
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