## About positively discrete-time linear descriptor systems

- R. Bru, C. Coll, E. Sánchez
- In the book Systems and Control: Theory and…
- 2000

A special structure of a kind of matrices, r−block monomial and r−block diagonal matrices, is introduced. Theirs nonnegative Drazin inverses have been studied. The influence of these matrices on the positiveness of the trajectory of a descriptor system has been analyzed. Key–Words:Drazin inverse, nonnegative matrix, block monomial matrix, descriptor system.

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