A note on equal coefficient quadrature rules

被引：0
|
作者：
Hashemiparast, S. M.
Eslahchi, M. R.
Dehghan, Mehdi
机构：
[1] Amirkabir Univ Technol, Fac Math & Comp Sci, Dept Appl Math, Tehran, Iran
[2] KN Toosi Univ Technol, Dept Math, Tehran, Iran
[3] Management & Planning Org, Tehran, Iran
来源：
APPLIED MATHEMATICS AND COMPUTATION | 2006年 / 180卷 / 01期
关键词：
equal coefficients; quadrature rules; numerical integration methods; degree of precision; the method of undetermined coefficient;
D O I：
10.1016/j.amc.2005.11.149
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper we introduce an integration method with equal coefficient in the following form: integral(b)(a) w(x)f(x)dx similar or equal to C-n Sigma(n)(i=1) f (x(i)). Then by using the formulas of Newton's equations and degree of precision we introduce a method which express the nodes and coefficients in this integration formulas. Finally some examples are presented to illustrate the procedure. (c) 2006 Published by Elsevier Inc.
引用
收藏
页码：153 / 159
页数：7
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