About the ellipticity of the Chebyshev-Gauss-Radau discrete Laplacian with Neumann condition

DOI10.1016/j.jcp.2010.06.013zbMath1197.65188OpenAlexW2069541756MaRDI QIDQ2638252

Gérard Labrosse, C. Delcarte, Benoît Trouette

Publication date: 15 September 2010

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jcp.2010.06.013

zbMATH Keywords

mappingnumerical exampleseigenvaluesNeumann boundary conditionellipticityspectral collocation methodpolar Laplacian

Mathematics Subject Classification ID

Spectral, collocation and related methods for boundary value problems involving PDEs (65N35) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Uses Software

• RADAU

Cites Work

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