scientific article; zbMATH DE number 219016

zbMATH Open0782.65144MaRDI QIDQ4694564

Ulrich Langer

Publication date: 22 August 1993

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zbMATH Keywords

Schwarz methodsfinite elementparallel algorithmspreconditioned conjugate gradient methodcondition numberspreconditioning operatorsdiscrete harmonic basis

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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