Volume 8, Issue 1
The Drazin Inverse of Hessenberg Matrices

J. Comp. Math., 8 (1990), pp. 23-27

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• Abstract

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 be elements of A. The structure of the Drazin inverse of a lower Hessenberg matrix is also studied.

• History

Published online: 1990-08

• Keywords