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Four new relative efficiencies of the best linear unbiased estimator to the covariance improvement estimator for the unknown parameter vector are given, and three new relative efficiencies of the least square estimator to the covariance improvement estimator for the unknow parameter vector are given.

本文考虑相依模型,对其未知参数向量给出了其最佳线性无偏估计相对于协方改进估计的四种相对效率,同时,还给出了最小二乘估计相对于协方改进估计的三种相对效率,在不同条件下,分别给出了相对效率的上界与下界。

Robust best invariant unbiased estimator, quadratical form, variance/covariance components

稳健最优不变二次无偏估计,二次型,方和协方分量

Still based on Ciarlet-Raviart mixed variational principle, this section gives the mixed finite volume element scheme for biharmonic equation on rectangular partition.

综合有限元方法及有限分方法的优点,李荣华教授于二十世纪八十年代初提出了广义分方法,亦称为有限体积元方法。

The main idea about it is that the messages passed on the bipartite graph of LDPC are based on the probability differences, and the renewal of both check nodes and message nodes is carried out on the special addition domain.

提出了一种新的基于分的译码算法,其主要思想是:在LDPC码的二部图上所传递的消息是概率的分值,而对于校验节点和消息节点的更新都是在特定的加法域中进行。

Events,Operation and Relation of Sets, Classical Probability, Geometrical Probability , Statistical Stability of a Frequency, Axioms of Probability, Conditional Probability, Total Probability Theorem, Bayes' Rule,Independent Events,Independent Repeated Trials, One Dimensional Random Variables, Discrete Random Variables, Distribution Function of a Random Variables , Continuous Random Variables, Normal Distribution, Distribution of a Function of a Random Variable, Multidimensional Random Variables, Joint Distribution Function, Marginal Distribution Function,Discrete Two—Dimensional Random Variables,Continuous Two—Dimensional Random Variables, Independent Random Variables, Distribution of Functions of Random Variables,Expectation,Variance, Covariance, Coefficient of Correlation, Bivariate Normal Distribution, Law of Large Numbers, The Central Limit Theorems, Sample and Population ,Chi—Squared, T and F Distributions , Sampling Distributions , Point Estimation , Interval Estimation , Testing Hypotheses , A Test of Significance for Parameters in a Single Sample From a Normally Distributed Population , A Test of Significance for Parameters in Two Sample From Normally Distributed Populations .

本课程的主要内容:概率的概念与运算、随机变量及其分布、随机变量的数字特征与极限定理、数理统计的基本概念、估计和检验的基本方法,随机事件与概率随机事件、事件的关系与运算、几何概率、统计概率等,条件概率、全概率公式、贝叶斯公式、事件的独立性、二项概率公式,随机变量的概念、离散型随机变量、随机变量的分布函数、连续型随机变量、随机变量函数的分布,多维随机变量及其分布函数、边缘分布函数、随机变量的独立性、二维随机变量函数的分布,数学期望、方、协方和相关系数、大数定律、中心极限定理,总体与样本, X 2-分布、 t-分布和 F-分布,统计量及抽样分布,假设检验的基本概念、单个正态总体参数的显著性检验、两个正态总体参数的显著性检验。

Therefore, the choice to pay attention to this area of the control, using individual during the trial, the printing plate, should be ready production records, such as on a job characteristics, use the machine model, block boileretc, print runs and making quality status, and seriously so that different manufacturers of characteristics and use effects for analysis and summary, as an accurate evaluation and selection of plates, reliable foundation laid the first stone.

所以,在选购时给夺目这方面的把持,在试用、搁置各个厂家的印版时,答该怠工好不入产纪录,如印件特点、搁置机械的型号、印版不入产厂家、印度和制卡质度环境等举行不苛不天纪录,以便别厂家印版的共性和搁置成果等举行不合析和阐发,为不确评价和拔取印版打下靠得住的本原。

The first is on the study of spectra technique in boolean function and in its probability function.

得到布尔分等布尔运算在此映射下的实函数运算,并用有限离散变换实现了从原函数到象函数、到象函数偏分,以及到布尔分的象函数的变换,并研究了这一系列变换的性质。

This research method is independent of Green"s function and variational structure. So it can tackle with the BVP for non self-adjoint and self-adjoint difference equations and overcome the difficulties brought about by the establishment of Green"s function, a study of the sign and the estimate of below and above bounded for Greens function.

本章的研究方法既不依赖于Green函数又不依赖于变分结构,因而能解决非自共轭的分方程边值问题,且克服了Green函数的建立、其符号的判断及其上下界的估计给研究带来的困难,该方法同样适用于研究自共轭的分方程边值问题。

When the boxboards stay long in refrigerator in very low temperature, the waterproof level will decrease passing through along with the time which is because the humid air keeps permeate into the boxboards. The strength of the boxboard may become weaker. Consequently, cartons which are made of the boxboards can collapse more easily when they are stacked up.

但主要缺点为防水效果并非十分理想,湿气不断的侵蚀长期待在冷藏库里的低温下的纸板,使防水效果因时间的增加而逐渐变,也使得纸板本身的强度变,层层堆叠的纸箱容易因此倒塌。

The first model is the optimization problems with s linear objective function subject to a system of fuzzy relation equations and a system of fuzzy relation inequalities, which are solved by using path method and 0-1 integer programming with branch and bound method.

第一种为约束为模糊关系方程和模糊关系不等式的具有线性目标函数的优化问题,采用路径法及0-1整数规划中的分枝定界法对其求解;第二种为约束为模糊关系方程和模糊关系不等式的格线性规划问题,采用直接法、路径法及0-1整数规划法对其求解;第三种为模糊关系不等式为模糊的,即约束中有一个可接受的容,采用容法及正负理想法对其求解;第四种是一种新的可能性模糊线性规划问题,采用模糊数大小比较法、"切片-粘贴"法及正负理想法,并设计了随机模拟的遗传算法对其求解;第五种为期望值模型,利用期望值将其转化为清晰约束系数的线性规划问题的方法。

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推荐网络例句

I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。