On the Drazin Inverse of the Sum of Two Matrices

Xiaoji Liu, Shuxia Wu and Yaoming Yu

Journal of Applied Mathematics, 2011, vol. 2011, issue 1

Abstract: We deduce the explicit expressions for (P + Q) D and (PQ) D of two matrices P and Q under the conditions P2Q = PQP and Q2P = QPQ. Also, we give the upper bound of |P+QD-PD|2.

Date: 2011
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https://doi.org/10.1155/2011/831892

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2011:y:2011:i:1:n:831892

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