On two inequalities for the Hadamard product and the Fan product of matrices (Q1030760)
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scientific article; zbMATH DE number 5574580
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On two inequalities for the Hadamard product and the Fan product of matrices |
scientific article; zbMATH DE number 5574580 |
Statements
On two inequalities for the Hadamard product and the Fan product of matrices (English)
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2 July 2009
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The authors find an upper bound for the spectral radius of the Hadamard product of nonnegative matrices, and a lower bound for the Fan product of non-singular M-matrices. In both cases they improve over previous results from \textit{M. Fang} [Linear Algebra Appl. 425, No.~1, 7--15 (2007; Zbl 1128.15011)].
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Hadamard product
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Fan product
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M-matrices
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nonnegative matrices
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spectral radius
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upper bound
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lower bound
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0.98562145
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0.9633456
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0.9606403
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0.9567323
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0.94941396
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0.9469332
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0.94525295
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0.94422686
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0.94196826
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