∞ x^2
∫ ------------ dx
0 (e^x) -1
突然遇到這個積分,卡蠻久的
猜是特殊函數,但沒頭緒 Orz
希望大家可以給盞明燈
謝謝
※ 發信站: 批踢踢實業坊(ptt.cc)
※ 轉錄者: monkps (140.113.106.22), 時間: 03/28/2013 19:41:45
※ 編輯: monkps 來自: 140.113.106.22 (03/28 19:42)
→
03/28 19:56, , 1F
03/28 19:56, 1F
→
03/28 19:57, , 2F
03/28 19:57, 2F
推
03/28 20:07, , 3F
03/28 20:07, 3F
→
03/28 20:07, , 4F
03/28 20:07, 4F
最後我算出
2*ζ(3) 應該是對的
暴力法應該適用於這種上下限
※ 編輯: monkps 來自: 140.113.106.22 (03/28 20:33)
→
03/28 21:10, , 5F
03/28 21:10, 5F
推
03/28 23:50, , 6F
03/28 23:50, 6F
→
03/28 23:52, , 7F
03/28 23:52, 7F
→
03/29 00:07, , 8F
03/29 00:07, 8F
推
03/29 00:13, , 9F
03/29 00:13, 9F
→
03/29 00:14, , 10F
03/29 00:14, 10F
推
03/29 01:48, , 11F
03/29 01:48, 11F
→
03/29 01:48, , 12F
03/29 01:48, 12F
→
03/29 12:46, , 13F
03/29 12:46, 13F
→
03/29 12:47, , 14F
03/29 12:47, 14F
推
03/29 21:22, , 15F
03/29 21:22, 15F
→
03/29 21:22, , 16F
03/29 21:22, 16F
推
03/30 00:20, , 17F
03/30 00:20, 17F
推
03/30 00:23, , 18F
03/30 00:23, 18F
→
03/30 00:24, , 19F
03/30 00:24, 19F
→
03/30 00:25, , 20F
03/30 00:25, 20F
→
03/30 00:26, , 21F
03/30 00:26, 21F
推
03/30 00:28, , 22F
03/30 00:28, 22F
推
03/31 07:25, , 23F
03/31 07:25, 23F
→
03/31 08:42, , 24F
03/31 08:42, 24F
推
03/31 21:51, , 25F
03/31 21:51, 25F
→
03/31 21:52, , 26F
03/31 21:52, 26F
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