期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2000
卷号：23
DOI：10.1155/S0161171200002519
出版社：Hindawi Publishing Corporation
摘要：We study superconvergence of a semi-discrete finite element scheme
for parabolic problem. Our new scheme is based on introducing
different approximation of initial condition. First, we give a
superconvergence of uh−Rhu, then use a postprocessing to
improve the accuracy to higher order.
