微元法在一些积分问题中的应用  

Application of the Differential Element Method in Some Integral Problems

作　　者：叶正麟[1] 林伟[1] YE Zhenglin;LIN Wei(School of Mathematics and Statistical,Northwestern Polytechnical University,Xi'an 710072)

机构地区：[1]西北工业大学数学与统计学院,西安710072%

出　　处：《高等数学研究》2020年第4期32-37,共6页Studies in College Mathematics

摘　　要：本文介绍微元法在求旋转体的体积和面积以及高维积分降维等问题中的应用.This paper introduces the application of differential element method in the calculation of the volume and area of the rotating body and the dimensionality reduction of the high-dimensional integra.

关 键 词：微元法 旋转体 积分降维 

分 类 号：O172[理学—数学]