Uniform Global Convergence of a Hybrid Scheme for Singularly Perturbed Reaction–Diffusion Systems

S. C. S. Rao (), S. Kumar and M. Kumar
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S. C. S. Rao: Indian Institute of Technology Delhi
S. Kumar: Indian Institute of Technology Delhi
M. Kumar: Indian Institute of Technology Delhi

Journal of Optimization Theory and Applications, 2011, vol. 151, issue 2, No 7, 338-352

Abstract: Abstract We consider a system of coupled singularly perturbed reaction–diffusion two-point boundary-value problems. A hybrid difference scheme on a piecewise-uniform Shishkin mesh is constructed for solving this system, which generates better approximations to the exact solution than the classical central difference scheme. Moreover, we prove that the method is third order uniformly convergent in the maximum norm when the singular perturbation parameter is small. Numerical experiments are conducted to validate the theoretical results.

Keywords: Singular perturbation; Uniformly convergent; Shishkin mesh; Coupled system; Global solution (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1007/s10957-011-9867-6

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