| 二元函数极限不存在的三种判断方法 |
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| 引用本文： | 祝清顺,刘媛,贾利新.二元函数极限不存在的三种判断方法[J].河南教育学院学报(自然科学版),2013(1):19-20. |
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| 作者姓名： | 祝清顺 刘媛 贾利新 |
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| 作者单位： | [1]信息工程大学理学院,河南郑州450001 [2]信息工程大学电子技术学院,河南郑州450004 |
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| 摘 要： | 借助于齐次微分方程的做法，根据函数f（x，Y）自身的特点，给出二元函数极限不存在的三种判断方法．
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| 关 键 词： | 二重极限 齐次函数 广义齐次函数 |
Three Methods to Judge Non-existence of Limit of Binary Function |
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| ZHU Qing-shun,LIU Yuan,JIA Li-xin.Three Methods to Judge Non-existence of Limit of Binary Function[J].Journal of Henan Education Institute(Natural Science Edition),2013(1):19-20. |
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| Authors: | ZHU Qing-shun LIU Yuan JIA Li-xin |
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| Institution: | 1. Institute of Sciences, Information Engineering University, Zhengzhou 450001 , China; 2. Institute of Electronic Technology, Information Engineering University, Zhengzhou 450004, China) |
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| Abstract: | By means of homogeneous differential equation, according to its own characteristics, three methods to judge non-existence of limit of binary function were given. |
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| Keywords: | double limit homogeneous function generalized homogeneous functions |
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