摘要
通过引入钝锥和直角锥的概念,阐述了锥与对偶锥之间的关系,并给出了钝锥和直角锥存在的充分必要条件。
By introducing the concepts of obtuse cone and orthogonal cone,this paper analyzed the connection between the cone and dual cone.And the paper also gived sufficient and necessary condition of obtuse cone and orthogonal cone.
出处
《孝感学院学报》
2007年第6期37-38,共2页
JOURNAL OF XIAOGAN UNIVERSITY
关键词
凸锥
对偶锥
钝锥
直角锥
convex cone
dual cone
obtuse cone
orthogonal cone