山东大学学报(理学版)
山東大學學報(理學版)
산동대학학보(이학판)
JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE)
2015年
2期
90-94
,共5页
矩阵方程%广义自反矩阵%广义反射矩阵矩阵%广义斜反射矩阵%极大极小秩
矩陣方程%廣義自反矩陣%廣義反射矩陣矩陣%廣義斜反射矩陣%極大極小秩
구진방정%엄의자반구진%엄의반사구진구진%엄의사반사구진%겁대겁소질
matrix equations%generalized reflection matrices%generalized reflective matrices%generalized skew-reflec-tive matrices%minimal and maximal ranks
给定 R,S 为广义自反矩阵,即 R*=R,R2=I,S*=S,S2=I,若矩阵 X 满足 RXS =X(RXS =-X),则称之为广义反射矩阵(广义斜反射矩阵)。当变量矩阵 X 为广义反射矩阵或广义斜反射矩阵时,讨论了矩阵表达式A -BXC的极秩问题,并得到了矩阵方程 BXC =A 的一些可解性条件。
給定 R,S 為廣義自反矩陣,即 R*=R,R2=I,S*=S,S2=I,若矩陣 X 滿足 RXS =X(RXS =-X),則稱之為廣義反射矩陣(廣義斜反射矩陣)。噹變量矩陣 X 為廣義反射矩陣或廣義斜反射矩陣時,討論瞭矩陣錶達式A -BXC的極秩問題,併得到瞭矩陣方程 BXC =A 的一些可解性條件。
급정 R,S 위엄의자반구진,즉 R*=R,R2=I,S*=S,S2=I,약구진 X 만족 RXS =X(RXS =-X),칙칭지위엄의반사구진(엄의사반사구진)。당변량구진 X 위엄의반사구진혹엄의사반사구진시,토론료구진표체식A -BXC적겁질문제,병득도료구진방정 BXC =A 적일사가해성조건。
Let R,S be generalized reflection matrices,that is,R* =R,R2 =I,S* =S,S2 =I.A matrix X is called generalized reflective matrix (generalized skew-reflective matrix)if RXS =X (RXS =-X).The minimal and maximal ranks problems of matrix expression A -BXC with generalized reflective or skew-reflective matrices X are studied,and some solvability conditions of matrix equation BXC =A are derived.