几种特殊复合型积分因子的存在定理及应用  

The Existence Theorems and Application of Some Special Complex Integrating Factor

作　　者：康晓蓉[1] 

机构地区：[1]西南科技大学理学院

出　　处：《西南科技大学学报》2011年第4期95-98,共4页Journal of Southwest University of Science and Technology

摘　　要：结合一般复合型积分因子的存在定理,给出一阶微分方程的几种特殊复合型积分因子的存在条件,并验证了定理的有效性和可行性。Combining with the existence theorems of general complex integrating factor, the existence theorems of some special types of complex integrating factor for a first order differential equation were given in this paper. The validity and feasibility of the theorems were validated well and truly by applying and illustrating by examples.

关 键 词：全微分方程 复合型积分因子 存在定理 

分 类 号：O175[理学—数学]