摘要
引进了一般实矩阵次正定性的概念 ,得到实矩阵次正定的一些必要充分条件、一种次合同标准形以及一些相关性质。同时对它们的张量积与圈积进行了讨论 。
In this paper,a concept of sub positive definite of generalized real matrix is presented.Its necessary and sufficient conditions,the sub congruence canonical form and its character are obtained.The paper also discusses their Kronecker product and Hadamard product ,and points out the differencl of sub positive definite of real matrx from positive definite real matrix.
出处
《重庆师范学院学报(自然科学版)》
2002年第4期25-29,共5页
Journal of Chongqing Normal University(Natural Science Edition)
关键词
实矩阵
次正定
次合同标准形
张量积
圈积
正定矩阵
充分必要条件
sub positive definite of real matrix
sub congruence
sub congruent canonical form
Kronecker product
Hadamard product