| 二元函数的可微性研究 |
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| 引用本文： | 龙爱芳.二元函数的可微性研究[J].数学学习,2011(2):6-7. |
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| 作者姓名： | 龙爱芳 |
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| 作者单位： | 中南民族大学数学与统计学学院,湖北武汉430074 |
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| 基金项目： | 中南民族大学教研项目（JYX10036）. |
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| 摘 要： | 研究二元函数的可微性,得到两个充分条件,它们与已有的判别二元函数可微性的充分条件相比更为简单,因而使得应用更为简便.
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| 关 键 词： | 二元函数 偏导数 可微性 |
Differentiability of Functions in Two Variables |
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| LONG Ai-fang.Differentiability of Functions in Two Variables[J].Studies In College Mathematics,2011(2):6-7. |
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| Authors: | LONG Ai-fang |
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| Institution: | LONG Ai-fang (School of Mathematics and Statistics, South-central University for Nationalities, Wuhan 430074, PRC) |
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| Abstract: | This paper establishes two sufficient conditions for the differentiability of functions in two variables, which are simpler than other existing conclusions. |
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| Keywords: | function of two variables partial derivative differentiability |
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