| 求轨迹方程增解的检验及避免 |
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| 引用本文： | 汪皎月. 求轨迹方程增解的检验及避免[J]. 贵州教育学院学报, 2002, 13(2): 16-18 |
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| 作者姓名： | 汪皎月 |
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| 作者单位： | 黔东南民族师范高等专科学校数学系 贵州凯里556000 |
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| 摘 要： | 求动点轨迹方程时，由于仅用不等价变形常常会出现增解，如果不能识别，则导致答案错误。本文用“特殊点检验法”可检验出增解，当然也可在推导中选择适合方法避免增解产生。
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| 关 键 词： | 轨迹方程 动点轨迹方程 增解 特殊点检验法 绝对值符号 |
| 文章编号： | 1002-6983(2002)02-0016-03 |
| 修稿时间： | 2001-12-15 |
Detectation and avoidance of mistakes in trajectory equations |
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| WANG Jia yue. Detectation and avoidance of mistakes in trajectory equations[J]. Journal of Guizhou Educational College(Social Science Edition), 2002, 13(2): 16-18 |
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| Authors: | WANG Jia yue |
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| Abstract: | Moving-point trajectory equations is likely to cause mistakes, which will easily lead to more wrong results. Special Point Determining Method can be used to detect the wrong results. |
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| Keywords: | Moving-point trajectory equation more wrong results special point to detect |
| 本文献已被 CNKI 维普 等数据库收录！ |
