二阶、三阶变系数线性微分方程可降阶的一个类型  

A Type Which Order Can be Depressed for Second or Third Order Linear Differential Equation with Varied Coefficient

作　　者：孙景宏[1] 

机构地区：[1]烟台师范学院数学系

出　　处：《信阳师范学院学报（自然科学版）》1997年第4期21-22,共2页Journal of Xinyang Normal University(Natural Science Edition)

摘　　要：本文给出二阶、三阶变系数线性微分方程可降阶的一个充分条件。对于二阶变系数线性微分方程来说，这也是可积的一个充分条件。This paper gives a condition under which order can be depressed for second or third order linear differential equation with varied coefficient.It is also a sufficient condition for second order linear differential equation with varied coefficient to be integrable.

关 键 词：变系数 线性微分方程 连续 可微 可积 

分 类 号：O175.1[理学—数学]