vif

基于PCA 和BP 神经网络的人脸识别方法是针对 PCA 方法中存在的高维数问题和它对未训 练过的样本识别率低的缺点而提出的。该方法在预处理的基础上，利用粗糙集对 PCA 降维处理后的人脸特征进行约简，提取其中分类能力强的特征，实现在识别精度不变的情况下，有效的去除冗余信息；然后将约简后的属性输入到神经网络进行规则提取，利用神经网络非线性映射和并行处理的特点，增强对人脸图像识别的泛化能力。实验证明，使用该方法在识别率上有一定的提高(Face recognition method based on PCA and BP Neural Network)

最小费用流问题用于求解，图论中两地区运输费用最少的问题，本程序通过MATLAB解决这一问题(For solving the minimum cost flow problem in graph theory two least-cost regional transportation issues, the procedure to solve this problem through MATLAB)

用matlab制作的模拟动画程序，内容为电梯的升降演示。(Animation produced using matlab simulation program, the content of the elevator lift demonstration.)

MATLAB相关程序，turboGAMPdecoding_v2，turboGAMP解码相关算法，具体全面(MATLAB procedures, turboGAMPdecoding_v2, turboGAMP decoding related algorithms, specifically comprehensive)

说明：  粒子群算法求解约束多目标优化万能matlab代码。本代码是基于有约束条件的寻优问题，采用APSO可以加快寻优的速度，修改参数比较简单，目标函数和上下限根据自身的需要进行改动，，可以实现目标函数的寻优(Particle swarm algorithm for solving constrained multi-objective optimization universal matlab code. This code is based on the optimization problem with constraints. Using APSO can speed up the optimization process. It is relatively simple to modify the parameters. The objective function and the upper and lower limits are changed according to their own needs. The optimization of the objective function can be achieved.)

说明：  显示模拟调制的波形及解调方法DBS，文件mdsb.m(Show the simulated waveform modulation and demodulation of DBS)

master thesis in reflective environment

matlab 常用命令流，让您的开发变得更加轻松( matlab Commonly used command flow, let your development become more relaxed)

运用matlab编程语言，实现利用Householder变换和Givens变换求解矩阵的QR分解(Use matlab programming language, the realization and the Givens transformations using the Householder transformation matrix QR decomposition to solve)

matlab提供使用的全部函数说明和范例指导。全面而便于查询(matlab provides all the functions used in the guidance notes and examples. A comprehensive and easily accessible)