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Generalized Fiedler pencils with repetition for rational matrix functions
2020
Filomat
We introduce generalized Fiedler pencil with repetition(GFPR) for an n x n rational matrix function G(?) relative to a realization of G(?). We show that a GFPR is a linearization of G(?) when the realization of G(?) is minimal and describe recovery of eigenvectors of G(?) from those of the GFPRs. In fact, we show that a GFPR allows operation-free recovery of eigenvectors of G(?). We describe construction of a symmetric GFPR when G(?) is symmetric. We also construct GFPR for the Rosenbrock
doi:10.2298/fil2011529b
fatcat:ptdssgmrcvdatnpfsq5mvfxqcq