查询词典 stochastic approximation

First, we prove the existence and uniqueness of the global solution to the initial boundary value problem for the stochastic equation.

一方面，我们证明这一随机方程初边值问题的整体解的存在、唯—性。

Where the uncertain matrix is norm bounded and time-varying , while the external disturbance is a stochastic process.

假设不确定参数矩阵是时变，范数有界的，外部干扰是一个随机过程。

Then the theoretical value of pitting breakdown potential of pure nickel under different hydrostatic pressures was deduced,and the relevant pitting mechanism of pure nickel under hydrostatic pressure was discussed by stochastic analysis method.

分析得到纯镍在不同静水压力下点蚀击破电位的理论精确值，利用随机分析方法分析纯镍在静水压力下的点蚀机制。

As we all known, Brownian motion is an important type of stochastic process.

我们大家都知道，布朗运动是一类很重要的随机过程。

For stochastic simulation, simulation of Brownian motion, can be used for financial analysis.

详细说明：用于随机模拟，模拟布朗运动，可用于金融分析。

The application of the stochastic fractal brownian motion theory in image matching have been studied.

不仅进一步完善了分形理论，同时对图象处理的技术进行了改进。1研究了随机性分形布朗运动FBM理论在匹配过程中的应用。

In the second chapter, we describe how Einstein explained Brownian movement by stochastic method. After Einstein, Fokker and Planck distributed this diffusion equation with the condition of extra force field.

我们在第二章叙述了Einstein如何用随机的方法解释布朗运动；在Einstein之后，Fokker和Planck又加上了外加力场的条件来推广这个扩散方程式。

This paper employs Brownian movement and q- step moving average process to model the stochastic fluctuation of interest and study the risk problems in individual account pension fund. The actuarial balance equation, the responsibility reserve fund as well as the survival annuity model are discussed.

本文分别用布朗运动和q阶移动平均对利率进行建模并应用于养老基金领域，研究了个人账户养老基金的精算平衡方程、责任准备金的提留以及生存年金模型，并讨论了与此相关的风险问题。

But some important events can lead to brusque variations in price. To model this kind of phenomena, we have to introduce discontinuous stochastic process.

然而当一些重大事件发生时，市场价格会发生大的波动，为描述这种现象，这就要求我们引入不连续随机过程。

Buffeting is a kind of usual and stochastic vibration with limited amplitude under natural wind.

抖振是桥梁在自然风作用下的一种经常性的、随机的限幅振动。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。