查询词典 combinatorial problem

The maximum flow problem is one of the classical combinatorial optimization problems.

最大流问题是一个经典的组合优化问题。

The Chinese Traveling Salesman Problem is one of combinatorial optimization problems, and is a NP.

中国旅行商问题是一个组合优化问题，是一个NP问题。

The embedding problem is one of the fundamental and important problems in combinatorial design theory.

设计的嵌入问题是组合设计理论中的一个基本而重要的问题，它不仅是设计递归构造的有力工具，而且本身也是组合设计理论中的重要研究对象。

Graph coloring problem is a NP-complete one of graph and combinatorial optimization.

图着色问题是图与组合优化中的一个NP-完全问题。

The problem on the existence of large sets of Kirkman triple systems is one of problems in combinatorial designs theory, which is of long history and hard to study.

Kirkman三元系大集的存在性问题是历史悠久且研究最困难的组合设计问题之一。

Knap problem ; artificial neural network ; energy function ; combinatorial optimization

背包问题；神经网络；能量函数；组合优化

The maximum clique problem is one of the classic NP-complete problems from combinatorial optimization.

最大团问题是组合优化中的一个经典的NP-Complete问题。

The problem of set partitions in combinatorial mathematics is conside-red, and the following three points are emphasized:(1) the non-recursivealgorithm for computing the number of partitions of an N-Set, P;(2)the algorithm for mapping the partition vector V to the partition sequencenumber D;(3) the algorithm for mapping the partition sequence number Dto the partition vector V.

本文对组合数学中的集合划分问题进行了一些探索，试图回答下面三个问题：①集合划分方法数P的非递归算法，②划分向量V映射到划分序号D的算法，③划分序号D映射到划分向量V的算法。本文以划分的构造树为基础，加以变换，得到数目树和分块树，由此求得P，以及K块划分方法数P_K。

So it has been an open problem and the front of Operational Research and Combinatorial Optimization.

车辆优化调度问题已经成为运筹学与组合优化领域的前沿与研究热点问题。

The main goal of this dissertation is to develop and analyze interior-point algorithms and their variants for solving semi-definite, quadratic, combinatorial and nonlinear optimization problem that arise in production management, resource allocation, communication networks and computer science.

本文主要讨论和分析了内点算法的基本理论和基本思想，并将其推广来求解一般的半正定规划、二次规划、组合优化以及非线性规划问题，这些问题在工业生产管理、资源分配、网络通讯和计算机技术等领域中是会经常碰到的。

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。