Some superconvergence results of high-degree finite element method for a second order elliptic equation with variable coefficients

DOI10.2478/s11533-014-0440-zzbMath1302.65238OpenAlexW2059336369MaRDI QIDQ403197

Zhengwu Jiang, Wen-ming He, Xiao-Fei Guan, Ming-Xia Li

Publication date: 29 August 2014

Published in: Central European Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2478/s11533-014-0440-z

zbMATH Keywords

superconvergenceweak estimatessecond-order elliptic problemhigh-degree triangular elementslocal symmetric technique

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)

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