Overinterpolation

[摘要] In this paper we study the consequences of overinterpolation, i.e., the situation when a function can be interpolated by polynomial, or rational, or algebraic functions in more points than normally expected. We show that in many cases such function has specific forms. (C) 2007 Elsevier Inc. All rights reserved.

[发布日期] 2007-11-01

[关键词] overinterpolation;interpolation;overconvergence