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作者 newversion 在 PTT [ Math ] 看板的留言(推文), 共283則
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13F推:1+1 是否有除了2的答案 我猜他有可能不等於207/14 17:30
14F→:你覺得呢07/14 17:31
3F推:令 f(x)=x+c 解出c07/13 19:49
3F推:函數也可以是 x=f(y) f(y)=ay+b06/28 15:34
4F→:不過我覺得考這個定義的東西蠻無聊的06/28 15:34
5F→:題目又沒把條件說清礎。06/28 15:35
4F推:f(x,y)=ax+by ab≠0 所有直線都可表成 f(x,y)=c06/27 22:57
4F推:甲乙二數線是不是皆由小到大方向增加?06/18 13:58
5F→:若方向相反,答案可能會有差?06/18 13:59
7F推:會差個正負號06/18 14:04
1F推:http://en.wikipedia.org/wiki/Beta_function06/13 01:32
2F→:試試看令 u=1/s06/13 01:33
3F→:∫0->∞ 拆成 ∫0->1 + ∫1->∞06/13 01:35
6F推:很多題目沒講清礎,domain=? f是否連續?06/09 22:19
7F→:我可以訂 domain=(1,1,0) , (1,1,1) , (1,2,0)....06/09 22:20
8F→:然後在以上的點 f= 1, 2, 3,... 遞增06/09 22:21