We often assume in finance that random variables, such as returns,are normally distributed.
金融学中我们常假设随机变量,例如收益率,是服从正态分布的
We often assume in finance that random variables, such as returns, are normally distributed.
我们经常在金融学中假设随机变量，比如回报，是正态分布的。
In mathematical terms, values that are not known with complete certainty are called random variables.
在数学术语中，不完全确定的值称为随机变量。
In classical reliability theory, the lifetimes of systems and components have been assumed to be random variables.
在传统的系统可靠性的研究中，系统和各部件的寿命都看作随机变量。
3 For many random variables, a good choice is the normal distribution, often represented as a bell-shaped curve, shown in Figure 1.
3对于许多随机变量来说，一个好的选择是正态分布，常常表现为一个钟型曲线，如图1所示。
A time series data set is a sequence of random variables indexed by time.
时间序列数据是以时间为指标的一个随机变量序列。
The results of this paper further enrich the theory of fuzzy random variables.
研究结果进一步丰富和完善了模糊随机变量理论。
A convergence theorem for the sequence of arbitrary random variables is obtained.
得到了任意随机变量序列的收敛性定理。
The damage of petroleum casings is resulted from the combination of several random variables.
石油套管的损坏是多种随机因素综合作用的结果。
In this article, we investigate some problems of the limit theorems of the NA random variables.
本文研究了负相协随机变量列极限定理的若干问题。
RED can relax TCP's Global Synchronization problem by losing packets with uniform random variables.
RED路由器处采用均匀随机分布丢包，可以缓解TCP流的“全局同步”现象。
The strong law of large Numbers for a class of the sequence of arbitrary random variables are obtained.
给出了一类任意随机变数序列的强大数律。
A sufficient condition of the central limit theorem is given for strongly stationary NA random variables.
讨论了强平稳NA序列的随机指标中心极限定理，给出其成立的一个充分条件。
This paper studies estimation of stochastic intensity from observed values of mixed Poisson random variables.
研究用混合泊松随机变量的观察值来估计其随机强度的问题。
This paper gives a new concept of variance of fuzzy random variables and discusses it's property and calculation.
本文给出了模糊随机变量的方差这一概念，并讨论了它的一些性质及计算方法。
The advantage of the method is that there is no requirement on the distribution of the random variables involved.
不要求了解所涉及的随机变量的分布函数是该方法的特点。
Through the experiment of 16 CFRP strengthened RC beams, the stochastic parameters of random variables were obtained.
通过对16根CFRP加固混凝土实验梁受弯实验，得到了随机变量的统计参量。
In this paper, we make a study on the complete convergence of moving average processes of dependent random variables.
本文研究的是相依随机变量的移动平均过程的完全收敛性。
In the design of mechanical strength reliability of tower vessel, all kinds of random variables need to be analyzed statistically.
在塔器的可靠性强度设计中，需要进行各种随机变量的统计分析。
The paper gives four kinds of convergence of sequence of random variables in probability theory, proves the relations between them.
给出了概率论中所用到的随机变量列的四种收敛性，证明了它们之间的关系。
The main research objects of this theory that bases on the geostatistics are those random variables with certain variability on space.
该理论是建立在地统计学基础之上，其研究的主要对象就是那些在空间上具有一定变异性的随机变量。
In this paper, it is proved that two random variables' independence can infer their no-correlation and its untenable inverse proposition.
本文证明了由两随机变量的独立性可推出它们的不相关性，但逆命题不成立。
From the mathematical point of view, survival analysis is a type of statistical analysis towards one or more non-negative random variables.
从数学角度看，这种研究主要是对一个或多个非负随机变量进行统计分析。
Cross spectrum estimation based on a single vector sensor has turned random process in time domain into random variables in frequency domain.
单矢量传感器的互谱估计，将时域随机过程变换成了频域随机变量。
Variance is an index that can describe distribution of random variables, and is used to describe inter-category distribution of feature term .
方差是描述随机变量分布情况的指标，本文用方差来描述特征词在类间的分布情况。
When the mean of random variables is zero, the solution is shown to reduce a known result for the value of the integral over the first quadrant.
当随机变量的均值为零时，这个解在第一象限上的积分值可简化为一个已知的结论。
In this paper we get strong law of large Numbers of the absolute value sequences from ARCH based on the dependence of random variables from ARCH.
本文根据ARCH序列的相依性给出了ARCH模型绝对值序列的强大数定律。
The probability sensitivities between random variables are analyzed and the reliability index and the corresponding condition classes are obtained.
得到了多个随机变量的概率灵敏度、主要失效模式所对应的可靠度指标及其相应的状态等级。
The probability sensitivities between random variables are analyzed and the reliability index and the corresponding condition classes are obtained.
得到了多个随机变量的概率灵敏度、主要失效模式所对应的可靠度指标及其相应的状态等级。
应用推荐