Economics;
and;
Management;
Academy,;
Central;
University;
of;
Finance;
and;
Economics,;
Beijing;
100081,;
P.;
R.;
China;
of;
Statistics;
and;
Mathematics,;
Central;
University;
of;
Finance;
and;
Economics,;
Beijing;
100081,;
P.;
R.;
China;
Moore-Penrose逆; 不等式; 埃尔米特; 矩阵乘积; Hermitian; 应用; 充分必要条件; ABA;