3

计算灰色关联度，包含灰色绝对关联度、相对关联度和归一关联度(Calculate the gray relational grade, contains gray absolute degree relative correlation degree and normalized correlation degree)

feap 有限元程序，国外某大学的开源程序(feap finite element program)

这是一个数组练习，程序的作用是查询一个一维数组（数值型数组）中每一个元素出现的次数，且元素出现的顺序不能改变(This is an array of exercises, the program' s role is to query a one-dimensional array (numeric array) in the number of occurrences of each element, and the element can not be changed in order of appearance)

根据传输线理论，计算无耗传输线的输入输出阻抗，画图表示电压电流和阻抗随线路长的变化(Based on transmission line theory to calculate the input and output impedance of the lossless transmission line, drawing, said the change of voltage, current and impedance with the line length)

这是地球物理学中声波波动方程正演程序，非常有用(this is a program about finite difference)

基于P-Q分解法的快速潮流计算,可用于实际系统(The fast power flow calculation based on P-Q decomposition method can be used in practical system.)

利用多元回归分析对气象站点数据进行插值运算。(The data of meteorological stations are interpolated by multiple regression analysis.)

说明：  利用有限差分法求解雷诺方程，进而可以求解气体静压轴承的特性(The Reynolds equation is solved by the finite difference method, and the characteristics of aerostatic bearing can be solved.)

说明：  复杂网络MATLAB工具包和源程序，用于计算复杂网络特性的工具包。(Complex network MATLAB toolkit and source code)

对轨道不平顺采用耿贝尔分布进行拟合优度检验(On track irregularity using Gumbel distribution goodness of fit test)