2D4N_UEL

完成采样空间的采样，适合于响应面，近似模型之前的采样工作，文件夹中有具体介绍(The sampling space is completed. It is suitable for the response surface and the sampling work before the approximation of the model. The folders are introduced in detail.)

功能完善的、代码简单清晰、注释良好的k均值聚类算法(The function is perfect, code simple clear, annotation good k-means clustering algorithm)

weno格式解决一维黎曼问题的代码，fortran90编写(Fortran code for Riemann problem solver in weno scheme)

C++实现的FFT，详细，简单，内含多个测试类(using C++ implements fft，including serials class)

给出一个求解连续混沌系统的最大Lyapunov指数的程序，经验证有很好的吻和度，并能应用的高维（超混沌）或其他混沌系统。(Solving a continuous chaotic system is given the maximum Lyapunov index procedure, proven good kiss and degrees, and can use the high-dimensional (super-chaotic), or other chaotic systems.)

进行主成分分析的多种方法，简单和复杂的，适合初学者使用(For a variety of methods of principal component analysis, simple and complex, suitable for beginners to use)

说明：  一个用C语言编写的求混沌序列的源程序,挺好的!(a C language for the chaotic sequence of the source, very good!)

copula工具库,包括各种copula函数，及联合分布函数的概率密度函数、分布函数和随机数的生成(copula tool library, including a variety of copula function, and joint distribution function of the probability density function, distribution function and a random number generator)

一篇论文，对研究转子动力学初学者有参考价值，题目为叶片振动影响下双盘转子-轴承系统的稳定性与分岔。(Paper, the study of rotor dynamics beginners reference value, titled double-disc rotor blade vibration under the influence- bearing system stability and bifurcation.)

fortran语言的球谐函数离散坐标法大气传输模型主程序，可用于大气场景生成(FORTRAN， spheric harmonic function of the discrete coordinate method main program, the atmospheric transmission model can be used for the atmospheric scene is generated)