摘要
构造一种有理插值型求积公式,证明其收敛性,并给出数值计算实例.该方法推广了Sloan和Smith等人的结果.
Let ω be a L1 integrable function on [-1,1] and denote Iω(f)=∫-11ω(x)f(x)dx,where f(x) is any bounded integrable function with respect to the weight function ω. In this paper, we consider rational interpolatory quadrature formulas (RIQFs) for Rn={p(x)/∏n(x),p∈Pn-1}, and study the convergence of the RIQFs. At the same time, numerical examples are given, that support the theory developed in this paper.
出处
《大学数学》
北大核心
2008年第5期103-107,共5页
College Mathematics
基金
湖南省教育厅科研基金资助项目(04C464
07C505)