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高數~~~我暈了

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雜談之道 posted 2020-12-9 14:12 |Read mode
一個可導函數f(x)求導數後變成了f'(x) , f'(x)還是一個關於x的函數呢。f'(x)可能不再連續呢!那麼f'(x)可能處處不連續嗎?
是否存在一個可導函數,它地導函數處處不連續。

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青青子衿 posted 2020-12-9 16:56
Last edited by 青青子衿 2021-12-8 22:21回复 1# 雜談之道

先上结论:一个可导函数的导数可以几乎处处不连续,但是不可以处处不连续

参考:
zhihu.com/question/26855991/answer/34295775
zhihu.com/question/22416363

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