查询词典 stochastic approximation

In Chapter 3, by establishing a L-operator inequality and using the properties of M-matrix and stochastic analysis techniques, some sufficient conditions ensuring the exponential dissipativity in mean square of impulsive stochastic functional differential equations of Ito-type are obtained.

第三章，通过建立L-算子不等式，运用M-矩阵的理论和随机分析技巧，获得了一类脉冲随机泛函微分方程均方指数耗散的充分条件。

In the formulas of stochastic input and output, when the coefficient of direct consumption and final demand are exponentially distributed, the interrelationship between parameters of stochastic variables can be divided into three types: all the parameters are the same; parameters are inequivalent to each other; some of the parameters are the same, but the rest are inequivalent to each other.

在随机投入产出方程中，当直接消耗系数和最终需求为指数型随机变量时，方程中随机变量分布中参数间的关系有3种基本情况：所有参数都相等、所有参数两两不相等、有部分相等而其余则两两不相等。实际上，前2种情况是第3种情况的特殊形式。

It researches the ship hateral movement multivariant stochastic control law on the basis of multivariant stochastic optimum control theory.

摘要本文基于多变量随机最优控制理论研究船舶横向运动多变量随机控制规律。

Considering a financial market with risky stocks and riskless bond, we describe the stochastic model of stocks prices with stochastic volatility .

在考虑一个带有股票和债券的金融市场后，建立了具随机波动率的股票价格的随机微分方程模型。

The empirical result indicates that the performance of the Hemler and Longstaff model that incorporates stochastic interest rates and stochastic volatility is the best, followed by the Ramaswamy and Sundaresan model and then the cost of carry model.

本文实证结果发现，同时考量随机利率及承机波动性的Hemler and Longstaff模式连用在TAIFEX期货与SGX－DT期货的定价，均优於与他两种模式。

At last, aimed at the stochastic system in which the uniform target at the same periods is observed by sensors possessing different characters at multiple scales, we present a method of the multiscale representation based on unregular tree. We develop the multiscale stochastic model based on scale sequence at odd- and even-numbered scale and on different order trees.

针对不同尺度上具有不同特性的传感器在相同周期内对同一目标观测的动态系统，给出了一类系统基于不规则树结构的多尺度表示方法，并建立了基于尺度序列奇偶相间阶树、不同阶树的多尺度动态模型。

The analyses of stochastic force on fluidized bed systems apply the stochastic theory to flowing mechanism and studies of bubble distribution, and redound to open out the inside nonlinear mechanism and characteristic of fluidized beds.

对流化床系统的随机力分析将随机理论的方法运用到流化床流动机理和气泡分布研究中，有助於揭示流化床内部非线性机理和特性。

In order to decrease visual delay in virtual reality, we studied and analyzed the testing results of all sorts of human being head motion. We put forward that the head moving of human being is a Guass-Markov stochastic process and constructed a stochastic mathematics model for head motion. We also proposed an effective algorithm for head-moving prediction based on Kalman filtering and preprocessing of the measured data.

为了克服虚拟现实系统中的视觉延迟现象，在对各种头部运动规律测试结果分析研究的基础上，提出人的头部运动是具有高斯－马尔可夫特性的随机过程，建立了头部运动的随机数学模型，设计了基于卡尔曼滤波和测量数据预处理技术的头部未来位置预测算法。

Multiple headways; stochastic expected value mode; hybrid intelligent algorithm; stochastic simulation; neural network, genetic algorithm

多时段发车间隔，随机期望值模型，混合智能算法，随机模拟，神经网络，遗传算法

Based on the stochastic characteristics of the single bus line, assumptions on the concerned stochastic events are made, according to which a expected value model for multiple bus headways optimization aiming at the maximal social welfare is formulated.

基于单条常规公交线路系统的随机特性，对该系统中的相关随机事件做了基本假设，以此建立了以社会福利最大为目标函数的多时段发车间隔优化随机期望值模型。

That snake Alaric named Archbishop...

庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。

You have done lots of magical things to be amazed at.

你做了很多神奇的事物感到惊讶。