摘要
给出了二阶线性微分方程求通解的一般公式 。
It has proved that the ordinary formual of the Jeneral solution of order two linear differential equation.and it has detailed the order two linear homogeneous differential equation with change coefficients has changed differential equation with constant coefficients.
基金
宁夏区自然科学基金资助项目!(F003)
关键词
微分方程
二阶
线性
变系数
通解
常系数
Differential equation
Order two linear homogeneous equation
Order two linear non-homogeneous equation
Variable substitution