查询词典 stochastic approximation

A case study shows that the optimal waste load allocation can achieve water quality standards in stochastic conditions, and the model's outcomes are clearly different from those of the conventional deterministic linear programming model.

研究结果表明，污染负荷优化分配结果能够满足随机条件下的水质达标率要求，并且与传统的确定性线性规划模型的分配结果相比有着明显差别。

These problems in reality can be classifies into two major categories: transport bilevel programming problems with deterministic user equilibrium constraints and transport bilevel programming problems with stochastic user equilibrium constrain...

此文首先从模型和算法的角度总结了有关这类问题已有的研究成果，接着介绍有关这方面的最新的研究进展，即如何把用户基于平衡原则下的交通网络优化问题的双层规划模型统一地转换为一个连续可微的单层最优化问题，并设计统一的算法。

E. , only are random variables, pointed that every objective important degree commonly is different, built the equivalent deterministic weighted programming model based on fuzzy set theory for multi - objective fuzzy stochastic linear programming.

研究了资源量b为随机变量的多目标随机线性规划问题，指出了多目标规划问题的目标一般不是同等重要的，针对多目标模糊线性规划问题，利用模糊集合理论建立了相应等价的确定性加权模糊随机规划模型。

Furthermore, a multi-container port bi-level programming model under the uncertainty conditions is established, and stochastic bi-level programming model is transformed into deterministic bi-level programming model according to random programming theory.

针对本文建立的双层规划模型，采用基于灵敏度分析的启发式算法S(来源：Ad1BC65论76文网www.abclunwen.com)AB求解。同时进一步建立了不确定条件下的双层规划模型，并且根据随机规划理论转化为确定型双层规划模型。

A stochastic nonlinear programming model of production with delay interaction (which is a static optimization model to solve the dynamic optimization problem) is built up and transformed into a deterministic nonlinear programming model and further into a linear programming model by adding constraints.

首先根据实际需要建立关联方程有延迟的车间生产的随机非线性规划模型，即一种求解动态优化问题的静态优化模型。

These problems in reality can be classifies into two major categories: transport bilevel programming problems with deterministic user equilibrium constraints and transport bilevel programming problems with stochastic user equilibrium constraints.

这些问题大致上可以分为二大类：一类是涉及到确定性用户平衡原则；另一类是考虑随机性用户平衡原则。

Secondly, a joint pricing and capacity allocation model is formulated considering bulk demand. Chance constrained programming is used to transform the stochastic model. Numerical examples show our model and method is more near the simulation results than the deterministic programming and bigger learning coefficient leads to higher profit contribution.

接着，建立了考虑批量需求的BTO模式下制造企业定价与能力分配的集成模型，利用机会约束规划方法对此随机模型进行转化和求解，算例仿真表明机会约束规划方法较确定性规划方法更好地反映了随机连续需求的分布和波动特征，其期望利润贡献与仿真结果更接近；学习效率越大，最优价格越低，接受订单数量越多，期望利润贡献越高。

Based on DFP gradient method and the theory of elastic visco-plasticity and that of finite element method, the deficiency and objection existing in present stochastic back analysis methods have been deeply studied in this paper in order to provide much more reliable parameter for the mechanical analysis of geological engineering structures.

本文基于变尺度梯度优化方法和弹-粘塑性原理及其有限元基本理论，针对随机反分析方法存在的缺陷和不足进行研究，以期为实际岩土工程结构的力学分析提供更加可靠的材料参数。

Article, Dr. LeCun proposes a second order technique that he calls the "stochastic diagonal Levenberg-Marquardt method".

文章提出了一个博士LeCun二阶技术，他所谓的"随机对角线的Levenberg - Marquardt方法"。

Further, when the coefficients are smooth, the solutions form a stochastic diffeomorphism flow.

而且，若系数是光滑的，则方程的解形成一随机微分同胚流。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。