Citation
Al Zhour, Zeyad Abdel Aziz and Kilicman, Adem and Abu Hassan, Malik
(2007)
New representations for weighted Drazin inverse of matrices.
International Journal of Mathematical Analysis, 1 (15).
pp. 697-708.
ISSN 1312-8876; ESSN: 1314-7579
Abstract
In this paper, the result are established in the following four ways: First, we present a general representation for the weighted Drazin inverse Ad,W of an arbitrary rectangular matrix A ∈ Mm,n involving Moore-Penrose inverse, which reduces to the well-known result if the
matrix A is a square and W = In . Second, we find represenations for the weighted Drazin inverse of the Tracy-Singh product A B of the two matrices A ∈ Mm,n and B ∈ Mp,q by using our approach. Third,the results are extended to the case of Tracy-Singh product of any finite
number of matrices.The result lead to equalities involving Kronecker product, Drazin inverse and group inverse, as a special case. Finally,We apply our result to present the solution of restricted singular matrix equations.
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