[理工] 離散-Relations
How many relations are there on a set with n
elements that are
b)anti-symmetric
c)asymmetric
答案分別是
2^n*3^((n)(n-1)/2)
3^(n(n-1)/2)
麻煩大家了
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.113.67.165
推
06/13 11:45, , 1F
06/13 11:45, 1F
→
06/13 11:48, , 2F
06/13 11:48, 2F
→
06/14 07:10, , 3F
06/14 07:10, 3F