一类二阶常系数非齐次线性微分方程的特解

The solution of a class of order 2 non-homogeneous linear differential equation with constant coefficients

利用二阶常系数非齐次线性微分方程求特解的待定系数法,得到求一类特殊形式的二阶常系数非齐次线性微分方程特解的公式。这些公式很有规律性,并可以简化求特解的问题。

Through the method of indeterminate coefficients, a special solution formula of order 2 constant coeffi-cients non-homogeneons linear differential equation is obtained. These formulas are regular and simplify the course of finding the solution.