给出了反三角分块矩阵M=A B(C 0)在条件BCAiB=0(i=0,1,…,n)下的Drazin逆的表达式.
The authors gave representations for the Drazin inverses of some anti-triangular block M=(A B C0) matrices under the condition BCA'B =0(i=0,1,……,n).