Subdirect sums of -strictly diagonally dominant matrices.
Bru, Rafael, Pedroche, Francisco, Szyld, Daniel B. (2006)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Displaying similar documents to “Infinite products and paracontracting matrices.”
Subdirect sums of -strictly diagonally dominant matrices.
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Paulus Gerdes (2002)
Visual Mathematics
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Pairs of matrices, one of which commutes with their commutator.
Bourgeois, Gerald (2011)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Subdirect sums of nonsingular -matrices and of their inverses.
Bru, Rafael, Pedroche, Francisco, Szyld, Daniel B. (2005)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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On inequalities involving the Hadamard product of matrices.
Mond, B., Pečarić, J. (2000)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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On a Schur complement inequality for the Hadamard product of certain totally nonnegative matrices.
Yang, Zhongpeng, Feng, Xiaoxia (2011)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Matrix functions preserving sets of generalized nonnegative matrices.
Elhashash, Abed, Szyld, Daniel B. (2010)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Explicit polar decomposition of companion matrices.
van den Driessche, Pauline, Wimmer, Harald K. (1996)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Products of -matrices and nested sequences of principal minors.
Grundy, D.A., Johnson, C.R., Olesky, D.D., van den Driessche, P. (2007)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Checking nonsingularity of tridiagonal matrices.
Bar-On, Ilan (1999)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Positive definiteness of tridiagonal matrices via the numerical range.
Chien, Mao-Ting, Neumann, Michel (1998)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Pentadiagonal Companion Matrices
Brydon Eastman, Kevin N. Vander Meulen (2016)
Special Matrices
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The class of sparse companion matrices was recently characterized in terms of unit Hessenberg matrices. We determine which sparse companion matrices have the lowest bandwidth, that is, we characterize which sparse companion matrices are permutationally similar to a pentadiagonal matrix and describe how to find the permutation involved. In the process, we determine which of the Fiedler companion matrices are permutationally similar to a pentadiagonal matrix. We also describe how to find...