无界凸多面体由“和形式”向“交形式”的转化

来源 :系统工程理论与实践 | 被引量 : 0次 | 上传用户:xhh2010
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
凸多面体可以表示成一组线性不等式的交,称这种表示为凸多面体的"交形式";同时,它也可以由其全部极点和对应的凸多面锥的全部极方向生成, 称之为"和形式". 将一个凸多面体在"和形式"与"交形式"之间进行转化是数学规划中的一个基本问题.本文使用类似线性规划中的"大M-方法",构造性地将无界凸多面体"和形式"的凸多面体转化为"交形式",并用数值例子说明了该算法的应用过程.
其他文献
传统的混沌控制方法多应用于自然系统的混沌控制中,对于大量存在于经济系统中的混沌现象,这些方法显的无能为力.基于此,将自适应控制法应用于房地产投资系统的混沌控制中.首
随着信息呈爆炸式增长,人们对信息精确定位的需求促进了自然语言处珲技术的研究.指代消解是自然语言理解中的重点和难点之一.它一方面综合了多种自然语言处理技术,如词性标注
期刊
The main focus is nonlinear model-based dynamic positioning (DP) control system design. A nonlinear uniform global exponential stability (UGES) observer produce
Grand canonical Monte Carlo molecular simulations were carried out for hydrogen adsorption in single-walled carbon nanotubes. It was found that variations in ch
110 nm-thick Au layers were sputter-deposited on unheated glasses coated about a 10 nm-thick and a 50 nm-thick Cr layer respectively. The Au/Cr bilayer films we
Diacetylenic glycero-phosphatidylcholine is a chiral molecule with amphiphilic property, and it can self-assembly into a lipid microtubular structure. The lipid
In order to study the magnetic properties and structure of very thin permalloy films, Ni81Fe19 films of 12 nm in thickness were prepared by different instrument
Based on the practical basis of measured activities and phase diagrams as well as in the light of the mass action law, the model of inseparable cations and anio
高中化学课程倡导多样化的教学方式,注意培养学生对化学的兴趣,只有对化学的学习有兴趣,学生才会有终身学习的愿望。
An investigation of computer simulation is presented to analyze the effects of strain localization and damage evolution in large plastic deformation. The simula