Improving an inequality for sums of elements of matrix powers (Q1094505)
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scientific article; zbMATH DE number 4025617
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Improving an inequality for sums of elements of matrix powers |
scientific article; zbMATH DE number 4025617 |
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Improving an inequality for sums of elements of matrix powers (English)
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1987
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Let A denote a real symmetric \(3\times 3\)-matrix with nonnegative elements. Let suA denote the sum of the matrix elements of A. The authors slightly generalize the inequality \(3suA^ 3\geq suA\cdot suA^ 2\) in three different ways.
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sums of elements of matrix powers
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matrix inequality
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0.90556633
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0.90518594
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0.90016353
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0.89742035
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