Incomplete Block Cyclic Reduction as a Preconditioner for Polynomial Iterative Methods

DOI10.1137/0911031zbMath0699.65022OpenAlexW2081310922MaRDI QIDQ3477877

I. K. Abu-Shumays

Publication date: 1990

Published in: SIAM Journal on Scientific and Statistical Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0911031

zbMATH Keywords

conjugate gradient methodChebyshev methodfactorizationblock tridiagonal systemsincompleteodd-even cyclic reductionPreconditionsred/black systems

Mathematics Subject Classification ID

Iterative numerical methods for linear systems (65F10) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22)

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