作者di7101483 (新生代)
看板trans_math
标题[微分] 学校老师出的题目
时间Tue Jan 5 21:35:48 2010
Give a counter example to the statement that the derivative of every
differentiable function is also continuous.
我觉得出的很奇怪
帮我想想，谢谢
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.127.64.50
1F：推 caribouR:f=sin(1/x^2) 当x不等於0 59.115.183.210 01/05 21:46
2F：→ caribouR:f=0 当x=0 59.115.183.210 01/05 21:47
3F：推 stariley:第一行又打错f=(x^2)*sin(1/x^2) 59.115.183.210 01/05 22:14
4F：推 stariley:f=(x^2)*sin(1/x) 我到底在干嘛= = 59.115.180.122 01/05 22:17
5F：推 lovekwen:XD 140.113.94.119 01/06 10:42