TY - JOUR T1 - The Drazin Inverse of Hessenberg Matrices AU - Miao , Jian-Ming JO - Journal of Computational Mathematics VL - 1 SP - 23 EP - 29 PY - 1990 DA - 1990/08 SN - 8 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9416.html KW - AB -

The Drazin inverse of a lower Hessenberg matrix is considered. If $A$ is a singular lower Hessenberg matrix and $a_{i,i+1}=\neq 0,i=1,2,\cdots,n-1$, then $A^D$ can be given, and expressed explicitly by elements of $A$. The structure of the Drazin inverse of a lower Hessenberg matrix is also studied.