摘要
讨论Dx广义正定阵的问题,给出了Dx广义正定阵的一些等价性的刻划,同时还讨论了Dx广义正定阵的若干性质.
In this paper we address some equivalent conditions for Dx generalized positive definite matrices. Some sufficient conditions and necessary conditions are derived separately too.
出处
《数学的实践与认识》
CSCD
北大核心
2006年第11期217-222,共6页
Mathematics in Practice and Theory
关键词
Dx广义正定阵
主子矩阵
LU分解
Dx-generalized positive definite matrix
principal sub-matrix
LU decomposition
