d(x,y)
Let d be a metric. Show that d'(x,y) = ------------ is also a metric.
1 + d(x,y)
--
我好窮啊，我好缺批幣啊
，你有摳摳ㄋㄟ
可憐可憐我吧，施捨一點吧
請到(P)LAY-->(P)AY-->(0)GIVE-->PttFund-->吧
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.218.142