A posteriori error estimator for Lanczos--Chebyshev reduction method

DOI10.1016/S0096-3003(02)00049-8zbMath1027.65144OpenAlexW2081603846MaRDI QIDQ1406076

P. Onumanyi, M. A. Ibiejugba, M. R. Odekunle

Publication date: 9 September 2003

Published in: Applied Mathematics and Computation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0096-3003(02)00049-8

zbMATH Keywords

convection-diffusion equationnumerical examplesPoisson equationa posteriori error estimationLanczos- Chebyshev reduction method

Mathematics Subject Classification ID

Spectral, collocation and related methods for boundary value problems involving PDEs (65N35) Boundary value problems for second-order elliptic equations (35J25) Error bounds for boundary value problems involving PDEs (65N15) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Cites Work

• Very High Accuracy Chebyshev Expansions for the Basic Trigonometric Functions
• Solutions of boundary‐value problems by the Lanczos–Chebyshev reduction method
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