On the finite element approximation of functions with noninteger derivatives

作者：Miloslav Feistauer · 发表于：Numerical Functional Analysis and Optimization · 年份：1989 · DOI：10.1080/01630568908816293 · 被引用次数：35 · 研究领域：Mathematical Approximation and Integration、Mathematical functions and polynomials、Differential Equations and Boundary Problems

The paper is devoted to the study of error estimates in the polynomial approxiamations of functions interpolation by affine families of finite elements treated in [4] is extended to functions from fractional Sobolev spaces .