discrete

Calculate the Sandler s test for paired samples

固定收益经典文献，详细论述各类固定收益产品设计与开发，不可多得的学习材料。(Fixed Income classic literature, discussed in detail the design and development of various types of fixed-income products, a rare learning materials.)

使用matlab对大数据集进行主成份分析(Matlab for large data sets using principal component analysis for)

模糊PID控制程序，制定了模糊规则，pid控制更加精，在经典PID控制基础上加上模糊控制，是控制速度更快 (Fuzzy PID control procedures, developed a fuzzy rule, pid control is more refined, based on the classic PID control plus fuzzy control, control faster)

MATLAB CODE FOR POWER FLOW 2

Novel methos to calculate the fitness

ChunmingLi编写的levelset程序，主要用于图像分割。(ChunmingLi levelset prepared by the procedure used mainly for image segmentation.)

function y=myditfft(x) 《数字信号处理教程——MATLAB释义与实现》 用MATLAB语言编写的基2 DIT FFT子程序(function y = myditfft (x) " digital signal processing tutorial- MATLAB Interpretation and Implementation" MATLAB language with the base 2 DIT FFT Subroutine)

数值差值法通过matlab实现，对于初学者非常有用。从书上下载的源代码。(By numerical difference method matlab implementation is very useful for beginners. Downloaded from the book source code.)

说明：  电流电压双闭环的PI单相逆变器仿真，自己做的，请指教(Double closed loop PI current and voltage single-phase inverter simulation, make their own, please advise)