对二元函数可微定义的若干注释

doi:10.16039/j.cnki.cn22-1249.2018.09.026

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摘要

为了能更直观、更全面地理解二元函数可微的定义，利用几何的方法，对二元函数可微的定义进行了详细的诠释，给出了二元函数全微分的几何意义，揭示出二元函数全微分与一元函数微分之间的关系。

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	王素娟

关键词: 可微全增量全微分曲面切平面

Abstract:

In order to understand the definition of differentiable of binary function more intuitively and comprehensively, by means of geometric method, the definition of differentiable of binary function is explained in detail , and the geometric meaning of total differential of binary function is given. The relationship between the total differential of binary function and the differential of unary function is revealed.

Key words: differentiable total increment total differential surface tangent plane

出版日期: 2018-09-25 发布日期: 2018-09-25 整期出版日期: 2018-09-25

O172.1

引用本文:

王素娟. 对二元函数可微定义的若干注释 [J]. 吉林化工学院学报, 2018, 35(9): 115-118.
WANG Su-juan. Notes on The Definition of Differentiable of Binary Function . Journal of Jilin Institute of Chemical Technology, 2018, 35(9): 115-118.

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https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2018.09.026 或 https://xuebao.jlict.edu.cn/CN/Y2018/V35/I9/115

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