TY - JOUR T1 - Error Expansion for FEM and Superconvergence Under Natural Assumption AU - Lin , Qun AU - Xie , Rui-Feng JO - Journal of Computational Mathematics VL - 4 SP - 402 EP - 411 PY - 1989 DA - 1989/07 SN - 7 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9490.html KW - AB -

In this paper, we derive the error expansion for finite element method under natural assumption and discuss the superconvergence as a special case of error expansion.