| 投影与距离之间的内在联系 |
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| 引用本文： | 宋儒瑛.投影与距离之间的内在联系[J].太原师范学院学报(自然科学版),2013(4):33-35. |
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| 作者姓名： | 宋儒瑛 |
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| 作者单位： | 太原师范学院,山西太原030012 |
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| 基金项目： | 山西省高等学校科技项目（20121109）. |
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| 摘 要： | 投影与距离在几何学中是两个密切相关的概念，有必要从理论上准确说是在几何空间上揭示它们之间的关系．文章通过问题引入，提出四个问题，从而揭示内积空间中投影与距离之间的内在联系．
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| 关 键 词： | 距离 投影 正交 直交 |
The Relationship Between the Projection and Distance |
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| Song Ruying.The Relationship Between the Projection and Distance[J].Journal of Taiyuan Normal University:Natural Science Edition,2013(4):33-35. |
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| Authors: | Song Ruying |
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| Institution: | Song Ruying (Department of Mathematics, Taiyuan Normal University, Taiyuan 030012, Chian) |
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| Abstract: | The projection and distance are two closely related concepts in geometry,which is necessary in theory and revealed the relationship between them exactly in geometric. |
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| Keywords: | distance projection orthogonal rectangular |
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