一类含参量和式极限的定积分方法  

Definite Integral Method for a Class of Sum Limit Containing Two Parameters

作　　者：雷冬霞[1] 黄永忠[1] 吴洁[1] LEI Dong-xia;HUANG Yong-zhong;WU Jie(School of Mathematics and Statistics,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]华中科技大学数学与统计学院,武汉430074

出　　处：《大学数学》2019年第2期78-82,共5页College Mathematics

基　　金：华中科技大学教学研究专项项目(2018021)

摘　　要：借助于定积分定义,考虑一类与Riemann和有关的和式的极限,该和式中含有参数.得到一个有意思的结果并给出应用例子.This paper is concerned with the limit of the sum similar to Riemann sum by means of definite integral.The sum includes two parameters,and an interesting result is obtained.Moreover,several examples are given.

关 键 词：Riemann和 定积分 介点 

分 类 号：O177.5[理学—数学]