作者di7101483 (新生代)
看板trans_math
標題[微分] 學校老師出的題目
時間Tue Jan 5 21:35:48 2010
Give a counter example to the statement that the derivative of every
differentiable function is also continuous.
我覺得出的很奇怪
幫我想想,謝謝
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.127.64.50
1F:推 caribouR:f=sin(1/x^2) 當x不等於0 59.115.183.210 01/05 21:46
2F:→ caribouR:f=0 當x=0 59.115.183.210 01/05 21:47
3F:推 stariley:第一行又打錯f=(x^2)*sin(1/x^2) 59.115.183.210 01/05 22:14
4F:推 stariley:f=(x^2)*sin(1/x) 我到底在幹嘛= = 59.115.180.122 01/05 22:17
5F:推 lovekwen:XD 140.113.94.119 01/06 10:42