UEL_XFEM

三维FDTD近远场变换程序,为时域近远场变换(three dimension FDTD near to far program)

说明：  基于matlab实现的拉格朗日插值函数，牛顿插值函数代码。(Based on MATLAB Lagrange interpolation function, Newton interpolation function code)

采用fortran编写了关于方腔顶盖驱动流的lbm程序(Prepared using fortran on navies process flow lbm)

C++程序求两点距离 可以点入坐标点(C++ program distance between two points)

说明：  光流场HS算法，主要用的是差分算法，MATLAB编写(Optical flow field HS algorithm, the main differential algorithm)

包括脚本文件和函数文件形式，MinkowskiMethod算法 ,抑制载波型差分相位调制。( Including script files and function files in the form, MinkowskiMethod algorithm, Suppressed carrier type differential phase modulation.)

说明：  分别对beta估计值模拟分析、非中心对称分布、卡方拟合优度检验、筛选抽样随机数抽取、有限样本性质模拟这5个内容进行了编程说明(The five contents of beta estimation simulation analysis, non-centrosymmetric distribution, chi-square goodness-of-fit test, random number extraction of screening sampling and Simulation of finite sample properties are explained by programming.)

Fortran编写的用来计算集中力在三维半空间弹性体中下表面应力的程序。(Written in Fortran is used to calculate the stress concentration at the surface in three-dimensional space of half an elastomer program.)

采用分段逐步计算，结合快速傅立叶变化，计算群速色散和自相位调制在光纤中对所传输的飞秒脉冲的影响。(Using split-step computation, combined with Fast Fourier Transform Algorithm, calculated the influence to transmission of the femtosecond pulse about the group velocity dispersion and the phase modulation in the fiber.)

最小二乘法的证明及matlab程序，附有文字说明和程序源码(The method of least squares)