作者PttFund (批踢踢基金只进不出)
看板Math
标题[分析] 初微(30)
时间Sun Jul 17 09:57:27 2005
Suppose that f is real defined on R satisfying
lim ( f(x+h) -f(x-h) ) = 0
h→0
Does it imply that f is continuous at x?
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.112.218.142
1F：推 Sfly:note that h--> ∞, 答案显然是否定的 59.112.100.57 07/17
※ 编辑: PttFund 来自: 140.112.218.142 (07/17 22:09)
2F：推 PttFund:改了 Q____Q140.112.218.142 07/17