作者查詢 / davidpanda
作者 davidpanda 在 PTT [ Math ] 看板的留言(推文), 共26則
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3F→:a^b : a 的 b次方09/10 14:09
5F推:原PO的答案應該對08/13 15:45
1F→:你的例子沒有滿足每組8個數字......05/25 11:19
5F→:沒有其他設定的話應該是S型?05/20 22:49
6F→:0<cos<1, 0<sin<104/30 17:48
7F推:-1<=cos,sin<=1, 上一行顯然不對....04/30 22:16
1F推:我分母少算一項, 冏rz....03/31 15:10
1F→:這題有點像是在考手動Dynamic Programming03/30 16:10
2F→:從低到高填表比較好算, 從高到低硬爆應該也可以算03/30 16:11
7F→:應該是 2a-3>0 ? 因為開口向下 x在兩端的時候會下去03/04 00:27
8F→:小於0就一定有解03/04 00:28
9F→:^^ (2a-3)x^2 -2ax +(a+2)03/04 00:29
11F→:題目和答案的小於好像有一個要反過來03/04 00:30
12F→:交點是"等於"03/04 00:30
13F→:不等式應該是要和x軸下的半平面沒有交點吧03/04 00:31
1F推:連續吧02/18 09:04
2F→:直覺是沿著任何一個方向遞增都不會有斷點02/18 09:05