作者查詢 / TrySoHard
作者 TrySoHard 在 PTT [ Math ] 看板的留言(推文), 共41則
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2F推:不是1/2 這是條件機率03/29 19:07
2F推:你的問題好像有點怪03/29 16:29
3F→:y = ax^2 + bx + c你要解什麼?03/29 16:29
4F→:你是要解 ax^2 + bx + c = 0 ?03/29 16:30
8F推:直接用公式03/29 17:35
1F→:奇怪,編輯的時候看有漏掉03/29 16:06
2F→:PO完看又沒有03/29 16:07
4F→:了解!!03/29 16:33
1F推:感謝!03/29 12:29
1F→:感覺你問題問的讓人不知道怎麼幫你03/29 16:36
2F→:你是要寫程式讓電腦幫你在每個區域都隨機取一點?03/29 16:36
3F推:2.餘弦定理或內積可以幫你解決角度問題11/22 18:34
4F→:3.判別式b^2-4ac<=0 可得 a^2+c^2-4ac<=011/22 18:35
5F→:同除c^2 接下來找a/c的範圍11/22 18:36
6F→:希望角a越大就是希望a/c越大,可得到答案11/22 18:36
3F推:上半部的63~算6+3=9會是對面的909/09 17:44
4F→:29~2+9=11是對面的1109/09 17:44
5F→:所以問號是8+6=1409/09 17:45
8F推:matlab應該也可以10/21 11:52
1F推:你的"原式="這邊錯了 應該是1積分到9 不是到306/02 21:09
3F→:因為 當x=2時 1+x^3=906/02 21:10
2F推:1F正解05/18 10:32