Solving large elliptic difference equations on CYBER 205

DOI10.1016/0167-8191(88)90084-1zbMath0633.65099OpenAlexW2058232587MaRDI QIDQ1096359

Yau Shu Wong

Publication date: 1988

Published in: Parallel Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0167-8191(88)90084-1

zbMATH Keywords

high-order finite difference methodsvector processorspreconditioning operatorincomplete LU-factorizationmatrix polynomial expansionmethod of conjugate gradientPreconditioning techniques

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) Parallel numerical computation (65Y05) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22)

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Periodically preconditioned conjugate gradient-restoration algorithm ⋮ Approximate polynomial preconditionings applied to biharmonic equations

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