Title
The superconvergence of Newton–Cotes rules for the Hadamard finite-part integral on an interval
Abstract
We study the general (composite) Newton–Cotes rules for the computation of Hadamard finite-part integral with the second-order singularity and focus on their pointwise superconvergence phenomenon, i.e., when the singular point coincides with some a priori known point, the convergence rate is higher than what is globally possible. We show that the superconvergence rate of the (composite) Newton–Cotes rules occurs at the zeros of a special function and prove the existence of the superconvergence points. Several numerical examples are provided to validate the theoretical analysis.
Year
DOI
Venue
2008
10.1007/s00211-007-0125-7
Numerische Mathematik
Keywords
DocType
Volume
superconvergence rate,cotes rule,pointwise superconvergence phenomenon,special function,numerical example,singular point,convergence rate,second-order singularity,known point,superconvergence point,second order,special functions
Journal
109
Issue
ISSN
Citations 
1
0945-3245
23
PageRank 
References 
Authors
1.97
6
2
Name
Order
Citations
PageRank
Jiming Wu110514.41
Weiwei Sun215415.12