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- Title
An Analysis of the Nonstandard Finite Difference and Galerkin Methods Applied to the Huxley Equation.
- Authors
Chin, Pius W. M.; Moutsinga, Claude R. B.; Adem, Khadijo R.
- Abstract
The Huxley equation, which is a nonlinear partial differential equation, is used to describe the ionic mechanisms underlying the initiation and propagation of action potentials in the squid giant axon. This equation, just like many other nonlinear equations, is often very difficult to analyze because of the presence of the nonlinearity term, which is always very difficult to approximate. This paper aims to design a reliable scheme that consists of a combination of the nonstandard finite difference in time method, the Galerkin method and the compactness methods in space variables. This method is used to show that the solution of the problem exists uniquely. The a priori estimate from the existence process is applied to the scheme to show that the numerical solution from the scheme converges optimally in the L 2 as well as the H 1 norms. We proceed to show that the scheme preserves the decaying properties of the exact solution. Numerical experiments are introduced with a chosen example to validate the proposed theory.
- Subjects
FINITE difference method; NONSTANDARD mathematical analysis; NONLINEAR differential equations; ACTION potentials; NONLINEAR equations
- Publication
Mathematics (2227-7390), 2024, Vol 12, Issue 6, p867
- ISSN
2227-7390
- Publication type
Article
- DOI
10.3390/math12060867