vectfit3

Face Recognition using PCA

该代码是基于互信息的非均匀特征排序算法的MATLAB实现(The code is based on the mutual information of non-uniform features of MATLAB realization of sorting algorithms)

这是MATLAB小型的。下下去看看嘛，活血对你以后的学习有帮助(This is a small MATLAB. To see them go under, Huoxue after learning of your help)

说明：  一个用于matlab平台的人工免疫算法程序，可用于各种工程技术方法的仿真分析(A matlab platform for artificial immune algorithm procedure can be used for a variety of engineering and technical methods of simulation analysis)

利用matlab仿真双边带信号（DSB）的调制与解调，适用于初学者(Band signal using matlab simulation bilateral (DSB) modulation and demodulation, for beginners)

利用仿射变换将同一场景的左右两部分图合成为一张图 matlab编写，另附程序说明(Affine transformation)

本章先分析说明伪谱法求解波动方程的算法原理，再给出弹性波场伪谱法数值模拟的改进算法；然后，通过直接引入P波波场变量和S波波场变量，给出可实现弹性波场的P波和S波分解的波动方程，并用伪谱法实现弹性波场的P波和S波分解的数值模拟；最后用伪谱法对井间地震的复杂波场作数值模拟，分析井间地震波场中各种波的传播规律。(In this chapter, the principle of pseudo-spectral method for solving wave equation is analyzed, and then an improved algorithm for numerical simulation of elastic wave field is given. Then, by directly introducing P-wave field variable and S-wave field variable, the wave equation which can realize P-wave and S-wave decomposition of elastic wave field is given, and the P-wave sum of elastic wave field is realized by pseudo-spectral method. Numerical simulation of S-wave decomposition; finally, pseudo-spectral method is used to simulate the complex cross-well seismic wave field and analyze the propagation law of various waves in cross-well seismic wave field.)

说明：  matlab 图像处理 显示两幅子图像的归一化互相关(matlab image processing show that two sub-image of normalized cross-correlation)

根据横波纵波的原理演示横波与纵波的形成过程(formation of transverse and longitudinal waves)

掌握用MATLAB求无穷级数的和、求幂级数 的收敛域、展开函数为幂级数以及展开周 期函数为傅里叶级数的方法(infinite series)