On solutions of a matrix equations system AX = B, XD = E
M. Haverić (1984)
Matematički Vesnik
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M. Haverić (1984)
Matematički Vesnik
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Telma Caputti (1990)
Colloquium Mathematicae
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Jovan D. Kečkić (1989)
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Kalogeropoulos, Grigoris I., Karageorgos, Athanasios D., Pantelous, Athanasios A. (2008)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Vladimiro Valerio (1981)
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
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Tamminana Kurmayya, Koratti C. Sivakumar (2008)
Discussiones Mathematicae - General Algebra and Applications
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In this short note we study necessary and sufficient conditions for the nonnegativity of the Moore-Penrose inverse of a real matrix in terms of certain spectral property shared by all positive splittings of the given matrix.
Gan, Gaoxiong (2002)
International Journal of Mathematics and Mathematical Sciences
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Jacek Mielniczuk (2011)
Discussiones Mathematicae Probability and Statistics
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Complementing the work of Baksalary and Trenkler [2], we announce some results characterizing the core matrix partial ordering.
Meenakshi, Ar., Anandam, N. (1992)
International Journal of Mathematics and Mathematical Sciences
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Lubomír Kubáček (1997)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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Rakočević, Vladimir (1997)
Matematichki Vesnik
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