[理工] 離散 排列組合
想請問為什麼是這樣n個相異物取m件做組合
還請幫解惑@@
http://i.imgur.com/9GApI8j.jpg
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 120.126.194.203
※ 文章網址: https://www.ptt.cc/bbs/Grad-ProbAsk/M.1480749049.A.028.html
推
12/03 15:33, , 1F
12/03 15:33, 1F
→
12/03 15:53, , 2F
12/03 15:53, 2F
推
12/03 16:29, , 3F
12/03 16:29, 3F
→
12/03 16:29, , 4F
12/03 16:29, 4F
推
12/03 17:37, , 5F
12/03 17:37, 5F
→
12/03 17:37, , 6F
12/03 17:37, 6F
→
12/03 18:12, , 7F
12/03 18:12, 7F
討論串 (同標題文章)