Matlab code for VaR

PI tuning for DVR control

this program is a simple example of Ai that identifid two class of difrent data.

自己编的一些关于图像灰度直方图处理的MATLAB源程序，包括加权距离，累加直方图，欧氏距离，直方图相交法，中心距法共5种方法，可选择适合的选用。(Own some on the image histogram processing MATLAB source code, including the weighted distance, cumulative histogram, Euclidean distance, histogram intersection of law, from the Law Center, five kinds of methods to choose the appropriate selection.)

说明：  用有限差分法求解矩形域上的Poisson方程，matlab代码(matlab code to solve Poisson equation)

this code very good for TSOM

this is the noise reduction source code. i hope this will be useful for every body who used it

通过差值方法填补matlab变量中的NAN值，针对二维以内的变量，变量中不能有整行或整列的NAN值(Fill NAN value in matlab variables by the difference method, for less than two-dimensional variables, variables can not have an entire row or column values ​ ​ of NAN)

详细介绍了各种经典频偏估计的有关算法，里面有详细的原理说明。对于初学者，非常有用，好入门(Introduces in detail a variety of classical frequency offset estimation algorithm, there is a detailed description of principle.For beginners, very useful, good primer)

基于R-L模型的CT扫描和滤波反投影重建的程序实现(Based on CT scan and filter back projection reconstruction RL model program)

基于粒子群算法的PID控制器优化设计matlab代码(PID TUNER using PSO matlab code)