Parameter uniform fitted mesh finite difference scheme for elliptical singularly perturbed problems with mixed shifts in two dimensions
DOI10.1080/00207160.2023.2177134zbMath1524.65712OpenAlexW4319443634MaRDI QIDQ6106742
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Publication date: 3 July 2023
Published in: International Journal of Computer Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1080/00207160.2023.2177134
singularly perturbed problem\(\varepsilon\)-uniform convergenceShishkin meshcharacteristic boundary layernegative shiftpositive shiftfitted mesh scheme
Boundary value problems for second-order elliptic equations (35J25) Singular perturbations in context of PDEs (35B25) Error bounds for boundary value problems involving PDEs (65N15) Finite difference methods for boundary value problems involving PDEs (65N06) Series expansions (e.g., Taylor, Lidstone series, but not Fourier series) (41A58) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22) Partial difference equations (39A14) Linear difference equations (39A06)
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