摘要
Inthispaper,wepresenttheleast-squaresmixedfiniteelementmethodandinvestigatesuperconvergencephenomenaforthesecondorderellipticboundary-valueproblemsovertriangulations.OnthebasisoftheL2-projectionandsomemixedfiniteelementprojections,weobtainthesuperconvergenceresultofleast-squaresmixedfiniteelementsolutions.ThiserrorestimateindicatesanaccuracyofO(h3/2)ifthelowestorderRaviart-Thomaselementsareemployed.
出版日期
2003年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)