Zhu Qi-ding
Abstract
By using projection type interpolation expansion,a new kind of error at the condition of non-smooth solution is defined.(u∈H1 or H2).And then the superconvergence of bilinear rectangular finite element with nonsmooth solution is discussed.
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By using projection type interpolation expansion,a new kind of error at the condition of non-smooth solution is defined.(u∈H1 or H2).And then the superconvergence of bilinear rectangular finite element with nonsmooth solution is discussed.
Key concepts: Superconvergence, Bilinear interpolation, Interpolation (computer graphics), Mathematics, Projection (relational algebra), Finite element method, Element (criminal law), Derivative (finance)