| 两二次曲线公有点和公切线的图解问题 |
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| 引用本文： | 陈东祥.两二次曲线公有点和公切线的图解问题[J].天津大学学报(自然科学与工程技术版),1990(4):115-120. |
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| 作者姓名： | 陈东祥 |
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| 作者单位： | 天津大学机械制造工程系 |
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| 摘 要： | 在射影几何的范畴内,全面地论述了两二次曲线的公有点和公切线的图解问题。不仅给出了两次曲线各种交切情况下,已知一定条件的图解方法,提供了解决该类问题的射影作图,并且从几何角度划清了能否图解的界线,解决了该类问题的图解可能性问题。
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| 关 键 词： | 图解 二次曲线 公有点 公切线 |
THE GRAPHICS OF THE INTERSECTIONS AND COMMON TANGENTS OF TWO CONICS |
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| Chen Dongxiang.THE GRAPHICS OF THE INTERSECTIONS AND COMMON TANGENTS OF TWO CONICS[J].Journal of Tianjin University(Science and Technology),1990(4):115-120. |
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| Authors: | Chen Dongxiang |
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| Institution: | Department of Mechanical Engineering |
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| Abstract: | This paper deals with the graphics of the intersections and common tangents of two conics according to projective geometry .Not only are their graphics given of two conics in various relative positions, but also the possibility of solving graphically such problems is explored. |
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| Keywords: | graphics conics intersection common tangent |
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