gaoyan_v37

说明：  可以进行平面拟合，基于matlab语言，简单易懂(It can be used for plane fitting. It is simple and easy to understand based on MATLAB language.)

This FDTD 2D simulation based on Dennis Sullivan book s. Wave propagation in vacuum background using PML boundary conditions.

Fortran常用算法程序集-徐士良著,本书讲解了各种数值计算方法及其程序实现,此为程序第一部分,(Fortran commonly used algorithm assembly-Xu Shiliang, this book explains various numerical calculation methods and their program implementation, this is the first part of the program.)

三階拉格朗日內差法。使用了Farrow結構，簡化三階多項式係數之運算。(third-order Lagrange interpolation algorithm. use Farrow structure to simplify the coefficients of the polynomial of Lagrange method.)

国外最近的一篇变步长nlms仿真，该文件有文中的几种仿真，包括基本的仿真，信道突变下的追踪性能和语音回声消除的性能分析(Recent foreign nlms a variable step simulation, the file has the text of several simulations, including basic simulation, channel tracking performance under mutation and voice echo cancellation performance analysis)

几种经典的重构算法，，很受益，初学者享用(recovery algorithm)

AFD（自适应傅立叶变换）的matlab实现代码(the matlab code of AFD algorithm)

对于abaqus子程序学习的初学者，这是一个学习umat的很好算例,(Abaqus subroutine for beginners to learn, this is a good example to learn umat,)

用C＋＋Builder实现的银行家算法可以任意 输入进程个数各类资源的个数输出安全序列(with C++ Builder bankers algorithm can process arbitrary importation of all types of resources the number of security Sequence Number output)

计算按频率抽取的基4快速傅里叶变换算法，与基2FFT相比，基4FFT的乘法量约减少25 。(Calculating frequency taken by fast Fourier transform algorithm base 4, compared with the base 2FFT the base 4FFT multiplication about 25 less.)