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一类二阶、三阶变系数线性微分方程的积分法
INTEGRAL SOLUTIONS TO A CLASS OF SECOND AND THIRD ORDER DIFFEREN-TIAL EQUATIONS WITH VARIABLE COFFI-CIENTS
【摘要】 本文给出了二阶、三阶变系数微分方程存在积分因子μ(x)的充要条件,并给出这一类二阶、三阶微分方程的通解表达式。
【Abstract】 This paper gives N&S conditions to the existence of a integrating factor μ(x) of a class of differen-tial equations and the general solutions to them.
【关键词】 二阶、三阶变系数线性微分方程;
积分因子;
通解表达式;
【Key words】 Second and thtrd order differential equation; integrating factor; generalintegral solution.;
【Key words】 Second and thtrd order differential equation; integrating factor; generalintegral solution.;
- 【文献出处】 红河学院学报 , 编辑部邮箱 ,1991年03期
- 【被引频次】1
- 【下载频次】105