Analyses of low-order preconditioners on high-order schemes for some model problems

zbMath0765.65098MaRDI QIDQ1206072

Weizhang Huang

Publication date: 1 April 1993

Published in: Chinese Science Bulletin (Search for Journal in Brave)

zbMATH Keywords

comparisonDirichlet problemdifference schemesPoisson equationpreconditioned conjugate gradient methodcondition numbers

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Finite difference methods for boundary value problems involving PDEs (65N06) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22)

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