摘要
通过具体实例对二元函数连续性、偏导存在性及可微性间的关系进行讨论.
In this paper,we discuss the relations of the continuity,the existence of partial derivation and the differentiability of the dual function by the specific examples.
出处
《哈尔滨师范大学自然科学学报》
CAS
2007年第2期32-34,共3页
Natural Science Journal of Harbin Normal University
关键词
连续性
偏导存在性
可微性
Continuity
The existence of partial derivation
Differentiability
