Conditioning of pseudospectral matrices for certain domain decompositions

DOI10.1023/A:1025676806232zbMath0955.65089OpenAlexW104997078MaRDI QIDQ1976423

Andreas Karageorghis, Marcin Paprzycki

Publication date: 19 September 2000

Published in: Journal of Scientific Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1025676806232

zbMATH Keywords

domain decompositionconditioningcollocationdirect methodsspectral methodsiterative refinementfourth order systems

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Spectral, collocation and related methods for boundary value problems involving PDEs (65N35) Boundary value problems for second-order elliptic equations (35J25) Boundary value problems for higher-order elliptic equations (35J40) Numerical computation of matrix norms, conditioning, scaling (65F35) Direct numerical methods for linear systems and matrix inversion (65F05)

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