作者查詢 / Imbufo
作者 Imbufo 在 PTT [ trans_math ] 看板的留言(推文), 共87則
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1F推:3-b F'(x)=f(x)，F"(x)=f'(x)163.25.118.141 06/25 01:55
2F→:3-c 求出斜率以後代點163.25.118.141 06/25 01:55
3F→:3-d 畫圖以後用薄殼法163.25.118.141 06/25 01:56
1F推:其實那不是公式 令x=tant做做看163.25.118.141 06/24 18:08
2F→:可以整理出相同的結果163.25.118.141 06/24 18:09
3F→:說錯了...是x=atant 囧"163.25.118.141 06/24 18:09
1F推:微小弧長近似於√[(dx)^2+(dy)^2]163.25.118.141 06/24 15:28
1F推:3tcost - 3sint + C163.25.118.141 06/23 21:57
3F推:兩個同提出sin^tcon^2t163.25.118.141 06/23 22:02
2F→:z從√x^2+y^2到√(1-x^2-y^2)163.25.118.141 06/24 18:11
3F→:然後dxdy換到x^2+y^2=1的極座標上做163.25.118.141 06/24 18:11
1F→:目前只想到有些極限以冪集數來看會很快163.25.118.141 06/23 14:49
2F→:工數的應用會比較多吧@ @...解高階ODE時163.25.118.141 06/23 14:50
20F推:Jacobian要取絕對值沒錯啊@ @163.25.118.141 06/23 21:16
2F推:去絕對值的時候要考慮正負163.25.118.141 06/22 19:01
1F→:有錯自刪 因為想對一下答案163.25.118.141 06/18 02:38
3F→:因為沒看到同樣的答案 不太有把握= ="163.25.118.141 06/18 02:54
6F推:我分母多樓上一個x163.25.118.141 06/18 02:04
7F推:阿不對 是分子的x放到分母 = =163.25.118.141 06/18 02:09