A preconditioner of a finite-element matrix for a fourth-order elliptic equation

zbMATH Open0807.65048MaRDI QIDQ1323928

V. Pereyra

Publication date: 6 July 1994

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

finite elementpreconditionerfourth-order elliptic equationfast discrete Fourier transform methodfictious components method

Mathematics Subject Classification ID

Boundary value problems for higher-order elliptic equations (35J40) 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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