查询词典 random

In this paper we generalize Bernstein inequality of t he sequence of independent random variables to the martingale difference s, then we give an application of this inequality.

本文将独立随机变量序列的Bernstein型不等式推广到鞅差序列情形，给出该不等式的一个应用，并在一定条件下证明了非参数回归中函数估计的强相合性。

In the first stage, we assume that the probability that a given team wins is a random sample from a beta distribution with parameters based on the relative strength variable and the home field advantage variable.

在第一阶段中，我们评估队伍得胜的概率是来自一个参数基於相对实力变数与主场优势变数的beta分布的随机抽样。

The interaction between three-cone bit teeth and rock is complex and random.

三牙轮钻头牙齿与岩石的互作用过程是一个复杂的随机过程。

Po Bronson, in his book WHY DO I LOVE THESE PEOPLE?(Random House, 2005), tells a true story about a magnificent elm tree. The tree was planted in the first half of the 20th Century on a farm near Beulah, Michigan. It grew to be a magnificent tree.

坡·布朗森在他的著作《我为什么爱这些人》（兰登书屋2005年出版）中讲述了一棵大榆树的真实故事。20 世纪上半叶，在美国密西根州比拉镇附近的一个农场，种下了一棵榆树，结果长成了一棵富有传奇色彩的参天大树。

Comparing with deterministic system, the point of bifurcation in stochastic Duffing-van der Pol system is moved as increasing the intensity of random parameter.

进一步的推广证实正交多项式逼近法在实际问题中有广阔的应用前景，它可以解决含有多个随机参数的非线性随机动力学系统的分岔问题。

Boer goat ; billy goat ; fertility ; random amplified polymorphic DNA

波尔山羊；公羊；繁殖力；随机扩增多态DNA

The first generation of computer was characterized by the most prominent feature of the ENIAC-vacuum tubes.Through 1950,several other notable computers were built,each contributing significant advancement,such as binary arithmetic,random access,and the concept of stored programs.These computer concepts are common in today's computers.

第一代计算机ENIAC以真空管为显著标志，到1950年又制造出了另外几台著名的计算机，而且每一台都取得了很大的进展，如像二进制运算、随机存取和存储程序的概念，这些概念在当今的计算机中仍是普遍使用的。

NMath Stats contains a data table class with functions for computing descriptive statistics, such as mean, variance, standard deviation, percentile, median, quartiles, geometric mean, harmonic mean, RMS, kurtosis, skewness, and many more; PDF, CDF, inverse CDF, and random variable moments for a variety of probability distributions, including normal, Poisson, chi-square, gamma, beta, Student's t, F, binomial, and negative binomial; Combinatorial functions, such as factorial, log factorial, binomial coefficient, and log binomial; Multiple linear regression; Basic hypothesis tests, such as z-test, t-test, and F-test, with calculation of p-values, critical values, and confidence intervals; One-way and two-way analysis of variance and analysis of variance with repeated measures; Multivariate statistical analyses, including principal component analysis and hierarchical cluster analysis.

nmath统计包含一个数据表的阶层与职能计算描述性统计，如平均，方差，标准差，百分位，中位数， 25 ％，几何平均数，调和的意思是，有效值，峭度，偏度，还有更多的； PDF格式，民防部队，逆民防部队，并随机变量矩的各种概率分布，包括正常，泊松，卡方检定，伽玛，测试版，学生的吨，男，二项式，并负二项分布；组合的功能，例如阶乘，日志阶乘，二项式系数，并登入二项式；多元线性回归；基本假设测试，如的Z测试， t检验， F检验，计算p值，临界值，和置信区间；之一，双向和双方法方差分析和方差分析与反复的措施；多元统计分析，包括主成分分析和聚类分析。

At the same time, it introduced the form of a binomial distribution --- a number of promotional distribution, which is a typical form in the distributed multi-dimensional discrete random variables and it's widely used in engineering and technology.

同时介绍了二项分布的一种推广形式---多项分布，该分布是多维离散型随机变量中的典型形式，在工程技术中有广泛的应用。

We will see how data can be characterized as observed values of random variables and study three important probability distributions: the uniform distribution, the binomial distribution, and Normal distribution.

我们会看到资料如何表现随机变数观测值的特征，并且研读三种重要的概率分布：均匀概率分布，二项分布与正态分布。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。