运用基解矩阵和摄动方法，给出了两类微分方程的通解表达式。
By using fundamental solution matrix and method of perturbation, we give the expression of general solutions for two classes of differential equations.
本文利用微分方程单位解矩阵估计的相关方法，得到了确定含有非线性电阻的动态电路唯一稳态的条件。
Based on the estimation of the unit solution matrixes of differential equations, the unique steady state of the dynamic circuits with nonlinear resistors is studied by matrix measure.
基于一类矩阵方程的参数化解，给出了该比例加微分反馈特征结构配置设计参数化方法。
Based on parametric solutions for a type of matrix equations, a parametric method for this eigen-structure disposition problem is propose.
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