crackprop_modeI_lefm_xfem_cpe4

用欧几里得算法求两个自然数的最大公约数通过c语言实现(Using Euclidean Algorithms to Find the Maximum Common Number of Two Natural NumbersRealization by C Language)

地理数据拟合，用于GNSS高程拟合，内附示例(Geographic data fitting, used in GNSS elevation fitting, enclose the sample )

说明：  数字信号处理DSP中，DFT离散傅里叶变换等上机作业。(In digital signal processing DSP, DFT discrete Fourier transform.)

基于改进的广义S变换，能更好的对数据进行时频分析。(Modified S-transform and its application in data analysis)

说明：  使用C++写的一个可以自动(在运筹学领域)计算单纯形表，并打印每一步的运算结果(a simple code to compute simplex table in operating research and print out the result of each step.)

ANSYS水压试验疲劳apdl，对学习apdl的人有很打帮助(ANSYS the hydrostatic test fatigue apdl, learning apdl there are playing to help)

这些代码主要是解决数学建模中存在的一些普遍问题的。(These codes mainly deal with some common problems in mathematical modeling)

不可压缩后稳态径向滑动轴承润滑计算方法，等刚度，不考虑负压(Incompressible steady-state radial sliding bearing lubrication calculation method on the stiffness, do not consider the negative pressure)

使用JAVA模拟FFFT算法 快速傅里叶算法 (Use JAVA simulation FFFT algorithm Fast Fourier Transform Algorithm)

对该模型参数辨识采用递推最小二乘法，即 RLS（ recurisive least square）， 它是一种能够对模型参数进行在线实时估计的辨识方法。(The recursive least square method is used to identify the parameters of the model, that is, rls (recurisive least square), which is an online real-time estimation method for the model parameters)