Douglas_Peucker

实现矿井采空区的孔隙率和粘性阻力系数，主要用于采空区瓦斯抽采(The porosity and viscosity resistance coefficient of mine goaf can be achieved.)

ADI method for solving PDE equations

matlab产生Alpha稳定分布随机数；Alpha稳定分布概率密度函数计算；Alpha稳定分布的分布函数计算等(Matlab produce Alpha stable random number distribution Alpha stability distribution probability density function computing Alpha stability distribution of distribution function is presented)

frotran输入矩阵自编小程序，可以生成任意大小矩阵，并写入制定文件(frotran input matrix composing small program that can generate any size matrix, developed and written documents)

求解一维Eluer方程，计算一维激波管问题，lax_wendroff(Solving one dimensional Eluer equation to calculate the one-dimensional shock tube problem, lax_wendroff)

对机械中的振动信号进行傅立叶变换，作出频谱图进行分析。(Fourier transform of the vibration signal)

非圆形离散元程序，通过采用非圆形颗粒实现康转动性能(Non-circular discrete element program, through the use of non-spherical particles achieve Kang rotation capability)

适用于ABAQUS的自定义材料子程序，适用于平面单元的随动强化J2模型。(Applies the custom material subroutine in ABAQUS, kinematic hardening J2 model applies to plane unit.)

copula工具箱，可以进行copula计算，比自带的更加好用(copula toolbox)

利用Abaqus子程序UAMP实现PID控制。(PID control is implemented using the Abaqus subroutine UAMP.)