摘要
本文给出了二阶性微分方程能够利用变换化为二阶常系数线性微分方程的充要条件
This paper gives the mecessary and sufficient conditions and method that second order linear differential equation can be changed into second order linear differentiat equation with contant coefficient.
关键词
二阶常系数线性微分方程
判别准则
充分必要条件
Change
Seeond order linear differentiat equation
Second order linear differentiat equation with contant coerricient.
