part4

说明：  此程序用来实现双相介质中波场的有限差分方法的数值模拟。(This process used to achieve the two-phase media finite difference method for wave field numerical simulation. )

canny operator for edge detection

使用matlab通过微弯波导和直波导耦合设计一个3db耦合器(Through the use of matlab Microbend waveguide and the straight waveguide coupled design a 3db coupler)

matlab 的模糊控制代码 包括隶属函数仿真程序 模糊系统隶属函数设计(The matlab fuzzy control code Including the membership function simulation program membership function fuzzy system design)

This program code is used for compressing a content or image using LZW compression methods.

基于非负矩阵分解（NMF）的人脸特征提取算法，其基本思想是找到一个母性子空间，是的构成子空间的基图像的像素点都是正值(algorithm of NMF of face detection by matlab)

说明：  关于测向定位的gdop matlab程序仿真(Simulation of GDOP matlab program for direction finding and positioning)

matlab中使用LM训练方法计算XOR，3-bit Parity，regression等问题的收敛速度，比较其收敛率。(using LEVENBERG MARQUARDT in matlab to compute convergence rate)

matlab编写的电压稳定分析程序 matlab编写的电压稳定分析程序(matlab prepared procedures for voltage stability analysis matlab prepared voltage stability analysis program)

本人所编写的关于Matlab的分离pid算法的相应程序代码(I have written about the separation of Matlab code corresponding pid algorithm)