建立了17自由度的铁道车辆微分方程组，用Matlab求出了系统特征值和特征向量，还可用于求系统响应-The differential equations of railway vehicles with 17 degrees of freedom are established, and the system eigenvalues and eigenvectors are obtained by Matlab. It can also be used to find the system re

Using a large number of finite element method to solve partial differential equations, The received signal is given eye and BER simulation systems, Interpolation and fitting, solution of equations, data analysis.