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Higher order schemes and Richardson extrapolation for singular perturbation problems

Published online by Cambridge University Press:  17 April 2009

Dragoslav Herceg
Affiliation:
Institute of Mathematics, dr Ilije Djuričića 4, 21000 Novi Sad, Yugoslavia
Relja Vulanović
Affiliation:
Institute of Mathematics, dr Ilije Djuričića 4, 21000 Novi Sad, Yugoslavia
Nenad Petrović
Affiliation:
Advanced Technical School, Školska 1, 21000 Novi Sad, Yugoslavia
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Abstract

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Semilinear singular perturbation problems are solved numerically by using finite–difference schemes on non-equidistant meshes which are dense in the layers. The fourth order uniform accuracy of the Hermitian approximation is improved by the Richardson extrapolation.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1989

References

[1]Bogalev, I.P., ‘An approximate solution of a nonlinear boundary value problem with a small parameter multiplying the highest derivative’, U.S.S.R. Comput. Math. and Math. Phys. 24 (1984), 3035.Google Scholar
[2]Doolan, E.P., Miller, J.J.H. and Schilders, W.H.A., Uniform numerical methods for problems with initial and boundary layers (Dublin Boole Press, 1980).Google Scholar
[3]Herceg, D. and Petrović, N., ‘On numerical solution of a singularly perturbed boundary value problem II’, Univ. u Novom Sadu, Zb. Rad. Pirod.-Mat. Fak. Ser. Mat. 17 (1987), 163186.Google Scholar
[4]Herceg, U., ‘Uniform fourth order difference scheme for a singular perturbation problem’ (to appear).Google Scholar
[5]Herceg, D., ‘On numerical solution of singularly perturbed boundary value problem’, in V Conference on Applied Mathematics, ed. Bohte, Z., pp. 5966 (University of Ljubljana, Institute of Mathematics, Physics and Mechanics, Ljubljana, 1986).Google Scholar
[6]Vulanović, R., ‘On a numerical solution of a type of singularly perturbed boundary value problem by using a special discretization mesh’, Univ. u Novom Sadu, Zb. Rad. Prirod.-Mat. Fak. Ser. Mat. 13 (1983), 187201.Google Scholar
[7]Vulanović, R., Herceg, D. and Petrović, N., ‘On the extrapolation for a singularly perturbed boundary value problem’, Computing 36 (1986), 6979.Google Scholar