PCA

说明：  主要是些简单的数字图像处理中基本的知识点(Mainly some simple digital image processing knowledge of the basic points)

Such an intense field is enough to pull the electrons out of the valence band of the stable atoms. Such a creation of free electrons is called zener effect. These minority carriers constitute very large current and the mechanism

可实现Butterworth滤波器 的功能 使图像处理的一个重要功能部分(Butterworth filters can realize image processing functions to an important functional part)

mit的信号处理考试试卷，非常棒！可以理解老美的学习思路。(mit signal processing exam papers, great! Americans can understand the idea of learning.)

基于HHT变换的EMD分解程序。通过调用EMD.m的主函数可以解得IMF函数。(HHT in the EMD program, through function call EMD.m can solve for the IMF)

MATLAB7-0的详细介绍，非常适合初学这，总共10M左右(A detailed description of MATLAB7-0 is ideal for beginners, for a total of 10M)

说明：  蚁群算法的改进 在MATLAB中可以直接仿真 研究这方面的可以好好间就一下((Ant colony algorithm is improved))

求解积分函数的列子，可以求sin的定积分和cos的定积分函数。(Liezi solution of the integral function, you can find the definite integral of sin and cos of the definite integral function.)

GPOPS是一个可以进行大规模非线性优化的MATLAB工具箱.(GPOPS, short for General Pseudospectral OPtimal Control Software is a Matlab optimal control software designed to implement the Gauss and Radau hp-adaptive pseudospectral methods. These methods approximate the state using a basis of Lagrange polynomials and collocate the dynamics at either the Legendre-Gauss or Legendre-Gauss-Radau points. )

lm算法，非线性最小二乘算法，进行参数估计及非线性方程计算(The LM algorithm, the nonlinear least squares algorithm, used for parameter estimation, and nonlinear equations)