lowpass

计算两个区域的相关系数的平均值 速度比直接用regress函数 快很多很多(calculate the mean correlation coefficient of two areas)

运放电路分析，非常实用，简单易懂，有图解分析。(Op amp circuit analysis, is very practical, easy to understand, there are graphic analysis.)

该算法包包含了hierichal，kmeans，em聚类算法，非常实用。(The algorithm package contains hierichal, kmeans, em clustering algorithm is very practical.)

光子晶体谐振腔的详细matlab编码，详细仿真了光在晶体谐振腔里的传播方式和特点。希望能从中领略编程的强大优势。 (photonic crystal resonant cavities)

Matlab 视频去隔行代码AMCC法，效果很好(Matlab code Deinterlacing)

说明：  高等光学仿真（matlab版）-光波导、激光书中部分程序(Higher optical simulation (matlab)- waveguide, the laser part of the program in the book)

This code is example of image adjustment.

已知三基准点和原点，通过未知点、基准点与原点距离，未知点与基准点距离，求未知点坐标(Known three reference points and the origin, through unknown point, the reference point and the origin of the distance from the unknown point and the reference point, find the coordinates of the unknown point)

Matlab 7 - Programming(Matlab 7- Programming)

RF法（JC法）计算工程结构可靠度的简单算例 包含1.例题文件，2.RF法计算，3.Matab自带函数抽样，4.自编函数抽样(RF Method and Monte Carlo Method for Solving Reliability Index of Structures)