A random variable is a function that takes values based on a probability distribution.
随机变量是一个根据概率分布取值的函数。
Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.
取代单个值,随机变量拥有描述估计值可能性的函数,该函数称为变量的概率分布。
This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.
介绍了用古典概率和随机变量的数字特征来解决数学分析中的一些恒等式问题。
So it is the important subject in probability to study the independence of stochastic variable.
因而,关于随机变量的独立性的研究构成了概率的重要课题。
In a series of problem in probability calculation need for understanding the signification of integral variable and using graphical representation as an assistant tool.
在概率的一系列计算问题中,需要准确认识积分中变量的意义和利用图示作为辅助工具。
A new passive tracking initiation algorithm, the Sequential Probability Ratio Test (SPRT) algorithm based on detection with multidimensional variable tracking gate, is proposed in this paper.
本文提出了一种基于多维可变跟踪门检测的序列概率比检验(SPRT)无源跟踪起始算法。
Solving the distribution of random variable function which is of great significance whether in theory or in application is an important question in probability theory.
求随机变量函数的分布是概率论中的一个重要课题,无论是在理论还是在应用上都有着十分重要的意义。
The first order difference of likelihood variable may be used to locate data points in other probability distributions and to improve deconvolution result then.
似然变量的一阶差分,可以用于检测来自其它概率分布的数据点的位置,改善反褶积的效果。
The fracture probability was calculated also by using of Monte Carlo method of dual variable, method of JC and Monte Carlo method. The calculation results were compared and discussed.
又采用了对偶变量蒙特卡洛法、JC方法、蒙特卡洛方法计算焊接结构断裂失效概率,并比较和讨论了这些结果。
By using the probability distribution in perfect condition, the error resiliency of synchronized variable length codes (SVLC) is counted.
利用在理想条件下的概率分布,计算了同步变长码的抗误码扩散概率。
In the model, isotopic exchange probability is variable and other parameters come from reference or experiment.
模型中的气-固相同位素交换几率为可变参数,其余参数使用了文献值或实验值。
Its main theoretical base is the law of large Numbers in the theory of probability, whose main means is the sampling of random variable.
它的主要理论基础是概率论中的大数定理,其主要手段是随机变量的抽样。
Based on the concept of probability, the possible value for a variable is pro-posed with the estimation of a single value replaced by probability distribution.
作者从概率的概念出发,提出了估算某个变量可能取值,以概率分布取代单值估算的观点,进一步对概率分布估算参数的可信性进行了讨论。
Assuming distribution statistical probability of micro-units strength, statistical damage variable is defined; and the statistical damage constitutive equation is proposed under triaxial.
假定软岩微元强度分布统计概率,定义软岩的统计损伤变量,依据统一强度理论建立三轴应力状态下软岩的损伤统计本构模型。
Also pilot studies are carried out on some variables in the model including character variable, decision variable, probability of the sequent occurring and utility function.
对模型中的状态变量、决策变量、后果发生概率、效用函数等进行了初步研究。
The fault origin can be efficiently found out by calculating the probability of each industrial variable making the sample abnormal and analyzing the industrial process.
通过求出故障采样点上各工业变量导致采样点异常的概率,并结合工业过程的特点,可以有效地找出故障源。
A supplementary variable technique is used to obtain the steady-state function and the steady-state probability generation function of the number of customer in the system.
本文采用补充变量法,首先建立了系统稳态下的状态转移方程,通过求解得到了稳态下系统队长的概率母函数,进而计算出稳态下系统的平均队长。
Random variable, permissibility, independency and interrelation, which are easily confused, are common concepts in probability statistics.
相容性、独立性、相关性是概率统计中几个常见的易混概念,针对这几个概念加以辩析。
A new method was developed using probability and statistics theory to develop a statistical filtering variable for steady state tests.
该文对滤波法进行改进,用新假设代替原不合理假设,根据数理统计理论,推导出用于稳态检测的统计量。
A discrete method for stochastic variable (features) space of class-conditional-probability density and estimation method for class-conditional -probability distribution is proposed.
本文提出了类条件概率密度随机变量(特征)空间离散化及类条件概率分布估计方法。
Random variable distribution functions and their inverse functions take an important role in probability theory.
随机变量的分布函数及其反函数在概率论中占有重要地位。
It is more reasonable to regard future cash flow as random variable which has certain probability distribution, which shifts with time.
将未来现金流量视为具有一定概率分布、且概率随时间而转移的随机变量更为恰当,但对这方面的研究却鲜有介绍。
States and reliability of a state variable X; is defined by its probability distribution. The method of calculation of reliability of system state is obtained.
按状态变量X_i的概率分布定义了它所处的状态及其可靠度,并推出了系统状态可靠度的计算方法。
The probability distribution associated with the random variable X describes the likelihood of obtaining certain values or ranges of values of the random variable.
概率分布是描述随机变量取某个特定的值或取某一区间范围内值的概率。
In the process of intrinsic safety testing, discharge time is a random variable because of many factors. So it affects explosion probability in view of energy.
在本质安全电路检测过程中,放电时间由于受多种因素影响是个随机量,因此它从能量角度影响气体引爆的概率。
This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.
文章给出一个古典概率问题的两个解法,从而导出几个有趣的等式。
The paper introduces the new studies on single-variable model, multi-variable model, conditioning probability model and nerve network model in foreign countries.
文章从单变量模型、多变量模型、条件概率模型以及神经网络模型等最新模型介绍了国外对财务困境预测模型的研究;
The paper introduces the new studies on single-variable model, multi-variable model, conditioning probability model and nerve network model in foreign countries.
文章从单变量模型、多变量模型、条件概率模型以及神经网络模型等最新模型介绍了国外对财务困境预测模型的研究;
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