Geodesic
Computing Generalized Inverse Systems Using Matrix Pencil Methods
International Journal of Applied Mathematics and Computer Science, Tome 11 (2001) no. 5, pp. 1055-1068.

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We address the numerically reliable computation of generalized inverses of rational matrices in descriptor state-space representation. We put particular emphasis on two classes of inverses: the weak generalized inverse and the Moore-Penrose pseudoinverse. By combining the underlying computational techniques, other types of inverses of rational matrices can be computed as well. The main computational ingredient to determine generalized inverses is the orthogonal reduction of the system matrix pencil to appropriate Kronecker-like forms.
Keywords: system inversion, rational matrices, descriptor systems, numerical methods
Mots-clés : macierz, metody numeryczne 
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     author = {Varga, A.},
     title = {Computing {Generalized} {Inverse} {Systems} {Using} {Matrix} {Pencil} {Methods}},
     journal = {International Journal of Applied Mathematics and Computer Science},
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     number = {5},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2001_11_5_a2/}
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Varga, A. Computing Generalized Inverse Systems Using Matrix Pencil Methods. International Journal of Applied Mathematics and Computer Science, Tome 11 (2001) no. 5, pp. 1055-1068. http://geodesic.mathdoc.fr/item/IJAMCS_2001_11_5_a2/