Herrero Debón, Alicia; Francisco J. Ramírez; Thome, Néstor(Taylor & Francis, 2014-03)
This paper deals with singular systems of index k ≥ 1. Our main
goal is to find a state-feedback such that the closed-loop system satis-
fies the regularity condition and it is nonnegative and stable. In order
to do ...
Herrero Debón, Alicia; Ramirez, Francisco J.; Thome, Néstor(Elsevier, 2013-02-15)
This paper deals with nonnegativity of matrices and their group or Drazin inverses. Firstly, the nonnegativity of a square matrix A, its group inverse A# and its group projector AA# is used to define different sets for ...