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Entropy calculation of a file

matlab 编程应用100篇 图形处理篇(matlab graphics programming application 100 Posts)

本程序主要实现人脸的定位，程序简单，实现效果一般(The main achievement of the program face positioning, the program is simple to achieve the effect of general)

使用matlab实现遗传算法，内容正确，方法简单(Genetic algorithm matlab code)

this file represent the model of turbine wind you can use to connect with DFIG machine

香农编码，给定概率求码字，编码效率，平均码长(Shannon coding, the probability of seeking a given codeword, the coding efficiency, the average yards)

这是有关matlab 学习的一些技巧和程序代码的编写，其中有SIMULINK和matlab程序两部分(matlab study)

autocov computes the autocovariance between two column vectors X and Y with same length N using the Fast Fourier Transform algorithm from 0 to N-2. The resulting autocovariance column vector acv is given by the formula: acv(p,1) = 1/(N-p) * sum_{i=1}^{N}(X_{i} - X_bar) * (Y_{i+p} - Y_bar) where X_bar and Y_bar are the mean estimates: X_bar = 1/N * sum_{i=1}^{N} X_{i} Y_bar = 1/N * sum_{i=1}^{N} Y_{i} It satisfies the following identities: 1. variance consistency: if acv = autocov(X,X), then acv(1,1) = var(X) 2. covariance consistence: if acv = autocov(X,Y), then acv(1,1) = cov(X,Y)

matlab code for chi squre test

对图像提取相应的特征点，并对特征点进行精简与描述，找到128维的描述子，并与另一幅图像的描述子进行比较，得到图像的匹配(Extract the corresponding feature point of the image, and the feature point streamline with the description, to find 128-dimensional descriptor, and compares with a description of the image sub-image matching)