chap9_1

MATLAB优化工具箱手册（英文版）介绍了一些标准的算法，适合初学者，(MATLAB Optimization Toolbox Manual (English), introduced a number of standard algorithms, suitable for beginners,)

求二维点对问题，但是没有实现不知道怎么做？(the distans of some points )

it is an m file for seismic analysis

Matlab 工具，各类积分，二次定积分，gquad2dggen等(Matlab tool, all kinds of points, the second definite integral, gquad2dggen etc.)

讲述了现在机械故障诊断中用到的常用时频分析方法，如短时fft 魏格纳维尔分布 小波变换 HHT等，里面含有例子和详细说明，对初学者帮助很大。(Tells the now commonly used in mechanical fault diagnosis frequency analysis methods, such as short-time wavelet transform fft Wigner distribution HHT Louisville, etc., which contains examples and detailed instructions, very helpful for beginners.)

简要介绍了三种典型的混沌系统：Logistic映 射，Lorenz系统和Henon映射，利用Matlab软 件，使用编程方法进行了仿真(Brief introduction to the three typical chaotic systems: Logistic mapping, Lorenz system and Henon mapping using Matlab software simulation programming methods)

说明：  计算lzernike矩，用于图像的额模板匹配或者别的方向(zernike:Calculate lzernike moments for image frontal template matching or other directions)

Generate 100 samples of a zero-mean white noise sequence with variance , by using a uniform random number generator. a Compute the autocorrelation of for . b Compute the periodogram estimate and plot it. c Generate 10 different realizations of , and compute the corresponding sample autocorrelation sequences , and . Compute the average autocorrelation sequence as and the corresponding periodogram for . d Compute and plot the average periodogram using the Bartlett method. e Comment on the results in parts (a) through (d). (Generate 100 samples of a zero-mean white noise sequence with variance, by using a uniform random number generator.a Compute the autocorrelation of for. B Compute the periodogram estimate and plot it. C Generate 10 different realizations of, and compute the corresponding sample autocorrelation sequences, and. Compute the average autocorrelation sequence as and the corresponding periodogram for. d Compute and plot the average periodogram using the Bartlett method. e Comment on the results in parts (a) through (d).)

一阶无限冲激响应低通滤波器和一阶无限冲激响应高通滤波器，用matlab计算并画出它们的增益响应(First order IIR low-pass filter and the first order IIR high-pass filter, using matlab to calculate and draw them gain response)

凸二次规划的matlab有效集算法,很有用的，值得收藏！(Convex active set quadratic programming algorithm matlab, useful, worth collecting!)