Possible numbers of x’s in an {x, y}-matrix with a given rank
Let x, y be two distinct real numbers. An {x, y}-matrix is a matrix whose entries are either x or y. We determine the possible numbers of x’s in an {x, y}-matrix with a given rank. Our proof is constructive.
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| Format: | Article |
| Language: | English |
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De Gruyter
2017-07-01
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| Series: | Open Mathematics |
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| Online Access: | https://doi.org/10.1515/math-2017-0079 |