The Discrete First-Order System Least Squares: The Second-Order Elliptic Boundary Value Problem

DOI10.1137/S0036142900381886zbMath1017.65092OpenAlexW2076501050MaRDI QIDQ4539426

Byeong Chun Shin, Zhi-qiang Cai

Publication date: 8 July 2002

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/s0036142900381886

zbMATH Keywords

finite elementspreconditionersecond-order elliptic problemoptimal convergencesystem of first order equationsleast squares formulation

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) 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) Boundary value problems for linear first-order PDEs (35F15)

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