| 三个矩阵秩不等式中等号成立的充分必要条件 |
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| 引用本文： | 屈龙江,李超,戴清平.三个矩阵秩不等式中等号成立的充分必要条件[J].大学数学,2012,28(3):132-134. |
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| 作者姓名： | 屈龙江 李超 戴清平 |
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| 作者单位： | 国防科技大学理学院数学与系统科学系,长沙,410073 |
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| 摘 要： | 研究了线性代数课程教学中三个矩阵秩的不等式,得到了不等式等号成立的充分必要条件.
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| 关 键 词： | 矩阵 秩不等式 线性空间 |
Necessary and Sufficient Conditions for the Equality Signs in Three Matrix Rank Inequalities |
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| QU Long-jiang,LI Chao,DAI Qing-ping.Necessary and Sufficient Conditions for the Equality Signs in Three Matrix Rank Inequalities[J].College Mathematics,2012,28(3):132-134. |
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| Authors: | QU Long-jiang LI Chao DAI Qing-ping |
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| Institution: | (Department of Mathematics and System Science,Science College, National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | Three inequalities of matrix rank in linear algebra course are investigated.Sufficient and necessary conditions for the equalities to be held are got. |
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| Keywords: | matrix rank inequality linear space |
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