二阶常系数线性非齐次微分方程的一些解法  

Some Solutions to the Second Order Constant Coefficient Linea Nonhomogeneous Differential Equation

作　　者：李迎娣[1] LI Ying-di(International School, Huanghe Science and Technology College, Zhengzhou Henan 450000, Chin)

机构地区：[1]黄河科技学院国际学院,河南郑州450000

出　　处：《中央民族大学学报（自然科学版）》2018年第1期21-23,共3页Journal of Minzu University of China(Natural Sciences Edition)

摘　　要：本文探讨了如何求二阶常系数线性齐次微分方程的解.利用通解的结构和自由项的形式来求解;利用通解公式来求解.We have discussed how to solve the second order constant coefficient linear homogeneous differential equation. Using the structure of the general solution and the form of the form of the free item; We can solve this by using the general solution.

关 键 词：二阶常系数线性微分方程 自由项 特征方程 通解 

分 类 号：O175[理学—数学]