有m愛 and E(longevity of 愛) => 肯出f(m)錢

來源: 隨便一點 於 2010-01-28 13:57:15 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (182 bytes)
本帖於 2010-09-28 08:04:20 時間, 由超管 論壇管理 編輯

f(m) is an increasing function defined by individuals.
E(x) is the expected value of x.

Note that it is not necessary true that

肯出（m）錢 =〉有f'(m)愛


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