SelectRandomIntegers

说明：  matlab开发的GPS信号simulator，并且包括mdd文件，方便可靠，请勿转载(matlab developed GPS signal simulator, and includes MDD documents, convenient and reliable, please do not reprint)

This function calculates the RND from a cross-section of put prices using the PCA method as described in O. Bondarenko. ``Recovering Risk-Neutral Densities: A New Nonparametric Approach, UIC working paper, September 2000. (This function calculates the RND from a cross-section of put prices using the PCA method as described in O. Bondarenko. ``Recovering Risk-Neutral Densities: A New Nonparametric Approach, UIC working paper, September 2000. )

Fast Report Implementation that creating report for any use (eg. master report)

给你一个非常大的整数x，(-10^400 <=x<= 10^400)，请统计x的每一位，分别输出9,1,2出现的次数. Input 一个大整数 Output 一共三行，第一行是9出现的次数，第二行是1出现的次数，第三行是2出现的次数。 Sample Input 912912912910915902 Sample Output 6 5 4(Statistical figures)

The zip file contains 3 matlab files for solving ODE s and 3 other pdf files

somthing russian function, by artemy

偏微分方程的MATLAB解法,主要介绍非线性方程组求解方法,给出不同方法的数值解法。(MATLAB Solution of partial differential equations, describes the nonlinear equations solving methods, given the different methods of numerical solution solution.)

以227家公司的数据为基础进行kmeans clustering分组，用以预测50家未知公司的效益(Use 227 the companies data as the basis for kmeans clustering to predict the effectiveness of the 50 unknown companies)

说明：  MATLAB的瑞利衰落信道仿真，针对服从瑞利分布的多径信道进行模拟仿真，加深对多径信道特性了解。(Channel Emulation of Rayleigh fading by using MatLab,which is aimed at the Multipath Propagation channel that obey Rayleigh distribution, so it could be furthered comprehension of characteristic on the Multipath Propagation channel.)

基于BOW模型的图像分类,其中包括K-means聚类等分类算法(BOW model-based image classification)