- 更多网络例句与优值相关的网络例句 [注：此内容来源于网络，仅供参考]
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By investigating the convexity, monotonicity and asymptotic behaviour of the optimal value function, it is shown that the optimal policy is of simple hedging point structure and featured by several hedging points.
通过研究最优值函数的凸性、单调性和渐近性，证明了最优策略具有简单的阈值结构且被几个阈值参数完全刻画。
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The main results, obtained in this dissertation, may be summarized as follows:1. In chapter 2, the differential property of the optimal value function with a non-compact set is studied. The expression of its lower-Hadamard directional derivative is obtained.
第2章研究了非紧致集上最优值函数的微分性质，首先给出了最优值函数的Hadamard下方向导数的表达式，其次在最优值函数的有效域为非空凸集的情况下刻画出了次微分的表达式。
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Some relations between generalized KT-properly efficient solution and generalized H-local-properly efficient solution are obtained under appropriate conditions.
在实用中，由于在给定的约束条件下求得的目标函数的最优值，有时会不符合人们的要求，因此有必要考虑当目标函数的最优值作适当改进时，如何使约束条件进行极小扰动的问题。
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We can use value iteration to obtain the optimal value function, from which the optimal policy can be derived efficiently.
用值迭代的方法可以求解MDP的最优值函数，然后从最优值函数得到最优策略。
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In this dissertation, the genetic algorithm is discussed in detail. In order to improve the convergence of GA, considering that it is important to choose the probability of crossover and mutation , new p〓 and p〓 were varied depending on the fitness values.
该方法在遗传模式得到保证的基础上，加快新个体的产生速度，所构造的交叉算子和变异算子随适应值自动变化，对远离最优值的个体采用较大遗传算子值，对接近最优值的个体采用较小遗传算子值，提高得至撮优解的概率。
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Carleman不等式及其在最优控制问题中的应用.Optimal control theory of distributed parameter systems mainly includes: Pontryagin's maximum principle; controllability; Hamilton-Jacobi equation (i.e., dynamic programming equation); time optimal control, etc.In this dissertation, we establish Pontryagin's maximum principle of optimal control problems governed by some nonlinear differential equations (parabolic differential equations, elliptic differential equations and 3-dimensional Navier-Stokes equations), which in particular could have local solut...
在这篇博士论文中，我们建立了非线性微分方程(包括抛物型微分方程，椭圆型微分方程以及3维Navier-Stokes方程)最优控制问题的庞特里雅金最大值原理，特别地，这些方程可能只有局部解或存在多解(我们称这样的系统为非适定系统，相应的最优控制问题为非适定最优控制问题)，以及适定的非线性发展方程最优控制问题的庞特里雅金最大值原理；我们研究了phase-field系统的时间最优控制问题以及Boussinesq系统的局部内可控性。
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The new algorithm uses the particle aggregation quality to judge that if the particles in the swarm are congregative so much,then apply the differential evolution to mutate the self prevenient best position of each particle,in order to realize the aim of preserving the varieties of the swarm.
该算法对于单调函数、严格凸或单峰函数，能在初始时很快向最优值行进，但在最优值附近收敛较慢。对于多峰函数，则更容易出现所谓&早熟&现象，即局部收敛[3]。粒子群算法出现&早熟&现象的主要原因是缺乏种群多样性。
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The paper gives stiffness matrix and mass matrix in finite element analysis of the ground vibration problem caused by track traffic by using three-dimension finite element method. Because three-dimension finite element analysis is very difficult, it is transmitted into a quadratic programming, which can be calculated by neural network.
本文融合神经网络技术和遗传算法，对轨道交通引起的地面振动进行了正分析和反演，并利用计算机技术实现了地面振动的三维动画模拟，这主要包括：(1)研究了压缩映射遗传算法，利用Banach空间的不动点定理证明了压缩映射遗传算法可以收敛到全局最优值，弥补了标准遗传算法不能收敛至全局最优值的不足。
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Based on multi-stage comparison, a new theory incorporating Minimum Comparator Number Algorithm and Power-Conversion Rate Merit Model is proposed, which releases the power dissipation from limitation of comparators, sub-DACs and residual amplifiers in high-speed high-resolution ADCs.
摘要该文依据多级比较原理，建立了ADC功耗-速率优值模型。基于比较器数目最优算法，推导出多级ADC最优比较器数目，并提出多级ADC功耗-速率优值参数，从而得到可实现小功耗、高转换速率的多级ADC优化结构。
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With the established model and the data of power needed in cycle cooling water system, the best vacuum value of condenser can be determined, and energy loss result by deviation of some main operation parameter can also be determined, compared with conventional models , the model established by us has the advantage of pertinence to the actual equipment since the sample data were collected from the operating equipment.
利用该模型和循环水系统功耗模型可确定不同工况下的真空运行最优值，为凝汽器真空运行最优值的确定提供了一个全新的方法，同时利用该模型计算几个主参数偏离基准值的能损偏差，同传统的运行参数基准值模型和能损偏差分析方法相比，该模型具有明确的设备针对性。
- 更多网络解释与优值相关的网络解释 [注：此内容来源于网络，仅供参考]
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figure of merit：优值
桥式二极管的功能虽然相当直接,但当它用于PD装置接口的输入电源端时却须提供下列重要功能:Rsp是一种优值 (figure of merit),用来描述工艺技术的导通阻抗能力.
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figure of merit：优值,灵敏值
field strength 场强 | figure of merit 优值,灵敏值 | filament 灯丝,丝极
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figure of merit,FOM：优值,优质数
图号,图码 figure number | 优值,优质数 figure of merit,FOM | 合计 figure out
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optimal value function：最优值函数
optimal trajectory 最优轨道 | optimal value function 最优值函数 | optimality 最优性
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optimum value：最优值, 最佳值
optimum temperature 最佳温度 | optimum value 最优值, 最佳值 | optional stop 选择停机
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optimum value of variance：方差的最优值
optimum value of standard deviation 标准差的最优值 | optimum value of variance 方差的最优值 | optimum viewing distance 最佳视距
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optimum value of standard deviation：标准差的最优值
optimum value 最佳值 | optimum value of standard deviation 标准差的最优值 | optimum working frequency 最佳工作频率
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global optimum：全局最优值;总体最优值
全局误差 global error | 全局最优值;总体最优值 global optimum | 全局性质;总体性质 global property
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global optimum：总体最优[值]
sensitivity analysis 灵敏度分析 | global optimum 总体最优[值] | local optimum 局部最优[值]
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local optimum：局部最优[值]
global optimum 总体最优[值] | local optimum 局部最优[值] | decision making 决策