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- 如果一个股票市场是属于Fama有效市场假设EMH [40] (Efficient Market Hypo thesis) 所说的弱式有效状态,那么任何根据股票价格序列数据去试图预测的努力都是多余的。因 为,今天的价格已经反映了昨天的价格。价格的变化,亦即收益只反映了未曾预期到的信 息,而信息是完全随机的,因此,收益序列也是完全随机的,不可预测。问题在于关于中国 股票市场收益序列的研究分析表明,收益序列绝非是完全互相独立的。它不但存在短期相 关性,而且还存在中长期相关性
Documents
- This code provides two simple examples of naive Bayes classifier. In the first example the input are a bunch of positive and negative numbers and their corresponding classes i.e. posi or negi and is tested with random numbers.-This code provides t
windspeedsim
- 对随机风速的仿真 可用于风电系统中发电的风速信号-Simulation of random wind speed can be used for wind power systems, power generation, wind speed signal
FCM-C
- 模糊C-聚类分析：从随机初始化划分矩阵开始迭代-Fuzzy C-cluster analysis: start from the the random initialization divided matrix iteration
exam060
- C语言实现随机存取数据，借助于fseek（）函数可以设置文件的位置，再使用C的I/O系统便可以完成随机读写操作-C language random access data by means fseek () function can set the location of the file, using C, I/O system can complete random read and write operations
stochastic-matlab
- 关于用MATLAB处理随机过程课程的程序编写介绍.-About using MATLAB program to deal with random processes course to write the introduction.
rndm
- power point work of my mini project done during 2nd semester.random walker algorithm
3
- Abstract-The mobile radio channel can be simulated as a complex-valued random process with a time-varying variance. This paper describes an implementation of that process using a real-time Digital Signal Processing (DSP) technique. The simulato
qweeqdw
- 随机信号的统计特性测试,均值、方差，相关函数（包括自相关、互相关函数）、频谱及功率谱密度算法.-The statistical properties of random signal test, mean, variance, correlation function (including autocorrelation, cross-correlation function), spectrum and power spectral density algorithms.
Monte-Carlo
- Monte Carlo 法不同于前面几章所介绍的确定性数值方法，它是用来解决数学和物理问题的非确定性的（概率统计的或随机的）数值方法。-Monte Carlo method is different from the previous chapters described deterministic numerical method, which is used to solve mathematical and physical problems of non-deterministic (p
77885
- 程序产生N个随机的整数，存放在数组a中。然后根据数组a建立线性链表， 再删除链表中所有重复元素，并输出无重复元素结点的链表结点的值 -Program generates a random integer N, stored in the array a. Then establish a linear list of the array, Then delete all duplicate elements in the list, and output
674
- 用给定的多项式，如y=x3-6x2+5x-3，在[-1，1]上等间隔产生20组数据(xi,yi，i=1,2,…,n),再在yi上添加随机干扰(可用rand产生(-5,5)均匀分布随机数)。请 (1)对xi和添加了随机干扰的yi作3次多项式拟合，与原系数比较。 -With the given polynomial, such as y=x3-6x2+5x-3, [-1, 1] intervals of 20 sets of data (Xi, Yi, i=1,2,... , n), and
81
- 滚动轴承是各种机电设备中的重要部件，其主要特点是其寿命的随机性较大，且它的好坏直接影响到设备的正常运行。因而掌握轴承运行的工作状态以及故障的形成和发展是目前机械故障诊断领域中研究的重要内容之一。利用轴承的随机振动信号对其工作状态进行诊断是目前最常用的方法-Rolling is a variety of mechanical and electrical equipment is an important component, its main feature is its randomness
ram
- RAM（random access memory）随机存储器。存储单元的内容可按需随意取出或存入，且存取的速度与存储单元的位置无关的存储器。这种存储器在断电时-RAM (random access memory) random access memory. The memory cell content can be removed or deposited above demand, and the access speed of the memory cell of the memory r
118
- 滚动轴承振动信号容易受 到随机噪声 的污染, 如 何去噪 成为滚动轴承故障诊断的关键问题之一。而传统的消噪方法可能会将信号中一些能量小的有用信号当作噪声消除, 本 文即提出 一种改进 的小波消噪方法-Rolling bearing vibration signals are easily influenced by the random noise pollution, such as any denoising become one of the key problems of rolling
poker--shuffle
- 实现对扑克牌的随机发牌，并且可以判断是否有同花顺等。C++程序。-Realization of a random poker licensing, and can determine whether there is a straight flush and so on. C++ program.
Service-Provision-Control-in-Federated-Service-Pr
- We first present the Hypothesis Selection Filter in a general setting. For a given image enhancement problem, suppose we have selected a set of image filters each of which is effective in improving the image quality for a certain type of cont
csbcfsjs
- 产生不重复的随机数产 生不重复的随机数-Generating random numbers without repeating random numbers generated are not repeated
FYP_Quartus
- this a som document for the first random generated matrix with binary value.-this is a som document for the first random generated matrix with binary value.
manetrandomwaypoint
- random network topology and random way point mobility