Some results on matrices with prescribed diagonal elements, eigenvalues and singular values
Fernandes Miranda, M.E. (1979)
Portugaliae mathematica
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Fernandes Miranda, M.E. (1979)
Portugaliae mathematica
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M. Kwapisz (1963)
Colloquium Mathematicae
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María Asunción Beitia (1986)
Extracta Mathematicae
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We study in this paper the problem of the n-square matrices X which commute with the given matrix A upon a vector subspace E of F.
Jan Zítko (1974)
Aplikace matematiky
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Hodges, John H. (1966)
Portugaliae mathematica
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A. S. Mohamed, B. A. El-Gendi (1997)
Collectanea Mathematica
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Lakić, Slobodan (1995)
Serdica Mathematical Journal
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In this paper we give an iterative method to compute the principal n-th root and the principal inverse n-th root of a given matrix. As we shall show this method is locally convergent. This method is analyzed and its numerical stability is investigated.