作者查詢 / kagato
作者 kagato 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共412則
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8F→:感謝一樓神人!11/24 00:29
4F推:好威= =11/21 13:10
1F推:跪求第一題= =11/21 02:38
2F推:XD11/21 00:39
5F→:還有少個-2 @@11/21 00:48
1F→:let y = x + t(x) !?11/18 18:30
4F→:y'=1+t',y''=t''=>xt''+t'+t=0 這裡我用bessel代XD11/18 18:39
3F推:113魂!!11/18 14:40
2F→:考慮一下周期函數喔@@11/18 01:37
4F推:積0到∞ 改成 積0到T,除以 (1-exp^-sT) ,T是週期11/18 01:43
5F→:推導很簡單 可以練一下@@11/18 01:43
8F→:當然可以,那解題過程就是公式推倒過程了:D11/18 01:54
1F→:那個積分好像少除一個b,可以參考一下公式@@11/17 11:53
2F→:你是要換成住座標吧? dxdy = rdrdθ,而且θ:0~π/211/15 00:11
3F→: 柱 = =+11/15 00:13
3F推:有神快拜!!11/14 12:38