| 秩2对称(a,b)矩阵中元素a的可能个数 |
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| 引用本文： | 朱雪芳. 秩2对称(a,b)矩阵中元素a的可能个数[J]. 安庆师范学院学报(自然科学版), 2010, 16(2): 6-11. DOI: 10.3969/j.issn.1007-4260.2010.02.003 |
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| 作者姓名： | 朱雪芳 |
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| 作者单位： | 台州广播电视大学,工程技术系,浙江,台州,318000 |
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| 摘 要： | 设a和b是两个不同的实数,如果一个矩阵的元素为a或b,我们称这样的矩阵为(a,b),根据a、b的不同取值,分四种情形分析了秩2对称(a,b)矩阵的结构,给出了秩2对称(a,b)矩阵中元素a的可能个数。
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| 关 键 词： | (a b)矩阵 秩 a的个数 对称矩阵 |
Possible Numbers of the Rank 2 Symmetric (a,b) Matrix |
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| ZHU Xue-fang. Possible Numbers of the Rank 2 Symmetric (a,b) Matrix[J]. Journal of Anqing Teachers College(Natural Science Edition), 2010, 16(2): 6-11. DOI: 10.3969/j.issn.1007-4260.2010.02.003 |
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| Authors: | ZHU Xue-fang |
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| Affiliation: | ZHU Xue-fang(Department of Engineering,Taizhou Radio & Television University,Taizhou 318000,China) |
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| Abstract: | Let a,b be two distinct real numbers. If each entry of a matrix is either a or b,then we call it an (a,b) matrix. According to the four values of a and b ,we investigate the structure of rank 2 symmetric (a,b) matrices and determine the possible numbers of such matrices. |
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| Keywords: | (a b) matrix rank numbers of a symmetric matrix |
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