The Drazin inverse of a modified matrix

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摘要

We derive the expression for the Drazin inverse of a modified matrix. The perturbation bound for the Drazin inverse is also established, i.e., the open problem posed by Campbell and Meyer in 1975 has been partially solved.

论文关键词：Drazin inverse,Modified matrix,Perturbation bound

论文评审过程：Available online 27 November 2001.

论文官网地址：https://doi.org/10.1016/S0096-3003(00)00131-4