focuss

This function made recognize of letters

rough set for clustering version 1

MATLAB5手册，MATLAB必须书籍，大学入门必备，非常不错(MATLAB5 manual, MATLAB must books, university entry required, very good)

2D PWM Photonic crystal source code

精通MATLAB数字图像处理与识别，第三章练习代码(Proficient in MATLAB digital image processing and recognition, the third chapter exercises code)

低通抽样定理程序有课程设计的要用的自己看看吧(Low-pass sampling theorem of the curriculum design process should take a look at your own)

these matlab simulation will be useful to those who search for voltage source control of synchronous motor using mosfet

这是图论中的一些常用算法的matlab程序。里面不仅有代码，还有相关数学知识(This is the graph theory in some of the commonly used algorithm matlab program. Which not only code, there are related to mathematical knowledge)

说明：  随机共振检测弱信号，a_b_f是主程序，sr是rk4算法，模拟双势阱中粒子运动(Stochastic resonance detection of weak signals, a_b_f is the main program, sr is rk4 algorithms, simulated double potential well of particle motion)

最短距离的最长 最短距离的最长 最短距离的最长 最短距离的最长 最短距离的最长 最短距离的最长 最短距离的最长(the least distance)