作者PttFund (批踢踢基金)
看板Math
标题[分析] 初微(11)
时间Fri Jul 15 01:30:53 2005
Let f and g be two continuous functions from R into R.
Define
F(x) = max(f(x),g(x))
for each x in R. Show that F is continuous on R.
Note: 之前 (6) 到 (10) 应该 ok 吧, 现在就继续贴新的题目吧.
这一题的副产品是 G(x) = min(f(x),g(x)) 也会是连续函数.
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◆ From: 140.112.218.142
1F:推 zombiea:for 2F(x)=f+g+|f-g| 140.112.249.64 07/15
2F:推 iddee:GOOD ! 61.219.178.219 07/15
3F:推 PttFund:Good! XDDDD140.112.218.142 07/16