A reciprocal preconditioner for structured matrices arising from elliptic problems with jumping coefficients
DOI10.1016/J.LAA.2011.09.010zbMath1247.65044OpenAlexW2016282749MaRDI QIDQ417417
Boris N. Khoromskij, Sergey V. Dolgov, Ivan V. Oseledets, Evgenij E. Tyrtyshnikov
Publication date: 14 May 2012
Published in: Linear Algebra and its Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.laa.2011.09.010
convergencefinite elementsnumerical examplesconjugate gradient methodfinite differencesiterative methodssparse matriceselliptic operatorspreconditionersPoisson equationgeneralized minimal residual methoddiscontinuous diffusion coefficientstructured matricesmulti-dimensional matrices
Computational methods for sparse matrices (65F50) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) PDEs with low regular coefficients and/or low regular data (35R05) Iterative numerical methods for linear systems (65F10) Finite difference methods for boundary value problems involving PDEs (65N06) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22) Preconditioners for iterative methods (65F08)
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