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Author:

彭娟 (彭娟.) | 郭夕敬 (郭夕敬.)

Indexed by:

CQVIP

Abstract:

求分段函数在分段点处导数的过程中,容易产生两种错误的做法:一种是将分段点两边的表达式分别求导,然后将分段点的值代人;一种是将分段点两边的表达式分别求导,然后取其在分段点处的极限,通过分析可发现其错误的原因所在,从理论上可证明这两种做法在一定条件下的正确性.

Keyword:

分段函数 连续 导数. 分段点

Author Community:

  • [ 1 ] [彭娟]北京工业大学
  • [ 2 ] [郭夕敬]吉林大学

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Source :

高等数学研究

ISSN: 1008-1399

Year: 2009

Issue: 5

Volume: 12

Page: 19-21

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 6

Chinese Cited Count:

30 Days PV: 20

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