摘要
对于四元数矩阵的Lowner偏序,设0≤B≤A.本文利用(n,≥)中矩阵的同时合同化简,给出了B{1;≥;s;≥A(1)}的表式,以及下面三个单调性结论的特征刻划:i)B(1)∈B{1;*},A{1;*;≤B(1)}≠;0;ii)0≤B(1,2)≤B(1,2)≤A(1,2);iii)A(1,2)∈A{1,2;≥},B{1,2;≥;≤A(1,2)}只含一个元素.
Let 0 ≤B≤ A for the Lowner's partial ordering of quateraion matrices. In this paper, we give a representation formula of the solution set B{1;≥ ;≥ a; A(1)} of a monotonicity.Some characterizations of three monotonicity conclusions of the generalized inverses of A and Bare obtained.
出处
《数学学报(中文版)》
SCIE
CSCD
北大核心
1996年第2期268-274,共7页
Acta Mathematica Sinica:Chinese Series
基金
福建省自然科学基金
关键词
半正定
自共轭
四元数矩阵
广义逆
单调性
positive semidefinite self-conjugate quaternion matrix, Lowner's partial ordering,generalized inverse, simultaneous reduction by congruence