• A general approach for computing residues of partial-fraction expansion of transfer matrices 

      García Planas, María Isabel; Domínguez García, José Luís (2013-07)
      Article
      Accés obert
      This paper deals with the description of a general method for calculating the residues of a linear system. Considering, physical models, it is well-assumed that the system described only presents simple eigenvalues, or at ...
    • Determinant of a matrix that commutes with a Jordan matrix 

      Montoro López, María Eulalia; Ferrer Llop, Josep; Mingueza, David (Elsevier, 2013-10-30)
      Article
      Accés restringit per política de l'editorial
      Let F be an arbitrary field, Mn(F) the set of all matrices n×n over F and J∈Mn(F) a Jordan matrix. In this paper, we obtain an explicit formula for the determinant of any matrix that commutes with J, i.e., the determinant ...