| 二次曲线方程的5点确定法建模研讨 |
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| 引用本文： | 宋占奎.二次曲线方程的5点确定法建模研讨[J].吉林化工学院学报,2007,24(1):82-84. |
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| 作者姓名： | 宋占奎 |
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| 作者单位： | 湖北十堰职业技术学院,数学系,湖北,十堰,442000 |
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| 摘 要： | 用待定系数法、二次曲线的影射定义法、二次曲线束的概念法等方法,建立了二次曲线方程的模型,得出了过平面上任意5个不同的点,可以唯一确定一条二次曲线的结论.
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| 关 键 词： | 束心 线束 常态 变态 降秩 奇异点 卵形线 射影对应 |
| 文章编号： | 1007-2853（2007）01-0082-03 |
| 收稿时间： | 2006-12-09 |
| 修稿时间： | 2006年12月9日 |
Discussion on the modeling of the five-point determination method of conic equation |
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| SONG Zhan-kui.Discussion on the modeling of the five-point determination method of conic equation[J].Journal of Jilin Institute of Chemical Technology,2007,24(1):82-84. |
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| Authors: | SONG Zhan-kui |
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| Affiliation: | Dept. of Mathematics,Shiyan Vocational Technological College,Shiyan 4421300,China |
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| Abstract: | The model of conic equation is built by the methods of undetermined coefficients and the projective method of conic equation.The result is proved that a conic curve can be defined uniquely through arbitrary five points in a plane. |
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| Keywords: | cross-over point line pencil normalcy metamorphosis rejuvenation singularity ovals projective correspondence |
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