查询词典 optimization

Conjugate gradient method is a significant method in solving nonlinear optimization problems.

共扼梯度法是求解非线性优化问题的一种重要方法。

Now, the rapid development of computer and occurrence of a great deal of large-scale optimization problems make the researches in conjugate gradient method revive.

近年来，随着计算机的飞速发展和实际问题中大规模优化问题的涌现，寻找快速有效的共轭梯度法成为了学者们研究的热门方向之一。

Optimization of the use of punitive factor function in the epitaxial sustaining a conjugate gradient method...

最优化中利用惩罚因子的罚函数法的外延，连带了共轭梯度法，由于罚因子的迅速跌代增大，加速了目标函数的收敛速度。

In this paper, a new type of optimization method based on conjugate directions is proposed.

摘 要：给出了一种基于共轭方向的最优化方法。

This paper lists two basic modes of connection breaking in evolving process of self-organizing network, analyses the key factor and proposes a simple and convenient links replacement algorithm based on local connected domain optimization, which can assure the connectedness in evolving processes of network.

本文列举自组织网络不连通的两种主要模式，分析了破坏连通性的主要原因，提出了一种简便可行的基于局部连通域优化的连接置换算法，可以有效保证网络演化过程中的连通性。

Topology optimization aims at finding the optimal distribution of materials in a prescribed design domain and the optimal way of component connection in a discrete structure.

所谓拓扑优化，就是要在给定的约束条件下，在一块预先给定的设计区域中决定最优的材料分布方式或者构件之间的最优连接关系。

Optimization and development of our current production unit in Guidizzolo, with a consequent further increase of our quality product.

优化和发展，我们目前的生产部门在Guidizzolo ，从而进一步提高我们的产品质量。

In order to reduce the design conservativeness, a condition for the existence of a parameter-dependent separator is proposed, and further the filter design can be converted into the optimization problem involving linear matrix inequalities.

为进一步降低设计的保守性，文中还给出了一种依参数分离算子的滤波器存在条件，并将滤波器设计转化为线性矩阵不等式表述的凸优化问题。

The corresponding optimization calculations with the above LMIs as constraints are respectively presented in order to get a low conservativeness eatimate.

为得到保守性小的估计，分别提出了以上述LMIs作约束的相应优化算法。

As China's rapid economic growth in recent years, the constant optimization and upgrading of industrial structure there has had many new problems in international trade issues.

随着我国近几年来经济高速增长，产业结构的不断优化升级，在国际贸易问题上也遇到了许多新的问题。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。