qga_2

this code is help you to draw Fourier Series . with this code you can change some variable and explain what change for education.

MATLAB函数大全，便于编译程序时查询使用MATLAB库函数。(MATLAB function Daquan, easy to compile a program using the MATLAB library function query.)

非常有用的程序，可以调用来处理循环平稳信号，用以产生三维自相关图形。(Very useful program, you can call to handle the cyclostationary signals to generate three-dimensional self-related graphics.)

该算法是实现Kmean聚类算法。包含初始聚类中心，聚类成员列表，最终聚类中心，最终聚类中心的距离，方差分析表，每个聚类中的案例数。(The algorithm is a clustering algorithm to achieve Kmean. Contains the initial cluster centers, cluster membership list, the final cluster centers the final cluster centers, ANOVA table, the number of cases in each cluster.)

使用DC算法求解非凸函数的最优化问题。可以确保局部最优解，有时收敛到全局最优(DC algorithm using optimization problem of non-convex function. Ensure local optima, sometimes converge to the global optimum)

One of Biometrics fields is face recognition & face expression recognition ... 1- In face recognition .. we need to design authentication program by training a neural network ,there are two source codes..one of them is based on Discrete Wavelet Transform with Perceptron Neural Network.. and the other based on Discrete Cosine Transform with Perceptron Neural Network ... 2- In face expression recognition .. we defined the condition of the person (nature,happiness,disgust or anger) this source code is based on Principle component analysis(PCA) .. * we need to now about digital image processing ,neural network and PCA...

LSB方法隐写图像,空域处理，基于修改图像LSB层的数据，达到隐藏秘密信息的目的(steganografic by LSB)

说明：  this programs is for interpolation and decimation of digital signals

说明：  计算加速器频谱，可以显示加速器频谱书面 加速器频谱，可以显示加速器频谱书(Compute accelerator spectrum, the spectrum can show a written accelerator accelerator spectrum, the spectrum can be displayed accelerator book)

matlab program for unit step function