Certain equalities and inequalities concerning polygons in .
Radić, Mirko (2009)
Beiträge zur Algebra und Geometrie
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Radić, Mirko (2009)
Beiträge zur Algebra und Geometrie
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Góźdź, Stanisław (1999)
Balkan Journal of Geometry and its Applications (BJGA)
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Radić, M., Pogány, T.K., Kadum, V. (2003)
Balkan Journal of Geometry and its Applications (BJGA)
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Carlo Boldrighini, Michael Keane, Federico Marchetti (1976)
Publications mathématiques et informatique de Rennes
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Pogány, T.K., Radić, M. (2000)
Balkan Journal of Geometry and its Applications (BJGA)
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Żyliński, Paweł (2005)
Balkan Journal of Geometry and its Applications (BJGA)
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Fevens, Thomas, Hernandez, Antonio, Mesa, Antonio, Morin, Patrick, Soss, Michael, Toussaint, Godfried (2001)
Beiträge zur Algebra und Geometrie
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Thomas Ernst (2015)
Special Matrices
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In this second article on q-Pascal matrices, we show how the previous factorizations by the summation matrices and the so-called q-unit matrices extend in a natural way to produce q-analogues of Pascal matrices of two variables by Z. Zhang and M. Liu as follows [...] We also find two different matrix products for [...]
Michael Cox, Kevin N. Vander Meulen, Adam Van Tuyl, Joseph Voskamp (2024)
Czechoslovak Mathematical Journal
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The Fiedler matrices are a large class of companion matrices that include the well-known Frobenius companion matrix. The Fiedler matrices are part of a larger class of companion matrices that can be characterized by a Hessenberg form. We demonstrate that the Hessenberg form of the Fiedler companion matrices provides a straight-forward way to compare the condition numbers of these matrices. We also show that there are other companion matrices which can provide a much smaller condition...
Ando, Tsuyoshi (2008)
Banach Journal of Mathematical Analysis [electronic only]
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Mika Mattila, Pentti Haukkanen (2016)
Special Matrices
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Let T = {z1, z2, . . . , zn} be a finite multiset of real numbers, where z1 ≤ z2 ≤ · · · ≤ zn. The purpose of this article is to study the different properties of MIN and MAX matrices of the set T with min(zi , zj) and max(zi , zj) as their ij entries, respectively.We are going to do this by interpreting these matrices as so-called meet and join matrices and by applying some known results for meet and join matrices. Once the theorems are found with the aid of advanced methods, we also...
Krasopoulos, Panagiotis T. (2008)
APPS. Applied Sciences
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Rafael Bru, Ljiljana Cvetković, Vladimir Kostić, Francisco Pedroche (2010)
Open Mathematics
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This paper deals with some properties of α1-matrices and α2-matrices which are subclasses of nonsingular H-matrices. In particular, new characterizations of these two subclasses are given, and then used for proving algebraic properties related to subdirect sums and Hadamard products.