一类复合型积分因子的存在定理及应用  

The Existence Theorem of a kind of Complex Integrating Factor and Its Application

作　　者：伍思敏[1] 

机构地区：[1]茂名学院理学院

出　　处：《茂名学院学报》2008年第3期71-73,共3页Journal of Maoming College

摘　　要：给出了微分方程M(x,y)dx+N(x,y)dy=0的复合型积分因子的定义,并讨论了一类复合型积分因子存在的充要条件和计算公式及其应用。This paper gives the definition of complex integrating factor about differential equation. Then the necessary and sufficient condition of the exisence of complex integrating factor and its calculating formuls is obtained.

关 键 词：复合型积分因子 通积分 全微分方程 

分 类 号：O175[理学—数学]