中文说明：
matlab 电机仿真,含（1.1.1）有阻尼微分方程的M函数程序和（1.2.1）无阻尼微分方程的M-函数程序
English Description：
Matlab motor simulation, including (1.1.1) M-function program of damped differential equation and (1.2.1) M-function program of undamped differential equation < br / >