FINITE ELEMENT APPROXIMATION OF THE DISCRETE FIRST-ORDER SYSTEM LEAST SQUARES FOR ELLIPTIC PROBLEMS

DOI10.4134/CKMS.2005.20.3.563zbMath1085.65112OpenAlexW3934643MaRDI QIDQ3370026

Byeong Chun Shin

Publication date: 6 February 2006

Published in: Communications of the Korean Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4134/ckms.2005.20.3.563

zbMATH Keywords

numerical resultserror estimatesfinite elementHelmholtz decompositionsecond-order elliptic boundary value problemmultigrid preconditionersdiscrete first-order system least squares method

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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