Mao's cube 初探 - 魔術方塊

By Elizabeth
at 2007-07-03T17:39
at 2007-07-03T17:39
Table of Contents
我來說說我的看法
從方塊的配置來看,有六種顏色各四塊
再加上兩個沒有顏色的角塊
這兩個沒有顏色的角塊就是關鍵也一定要有對稱關係
正面 背面
/\ /\
/\/\ /\/\
/\/\/\ /\/\/\
|\/\/\/| |\/\/\/|
| |\/\/| | | |\/\/| |
|\| |\/| |/| |\| |\/| |/|
| |\| | |/| | | |\| | |/| |
|\| |\|/| |/| |\| |\|/| |/|
| |\| V |/| | | |\| V |/| |
\| |\|/| |/ \| |\|/| |/
\| V |/ \| V |/
\|/ \|/
兩個沒有顏色的角塊在對面的位置
相鄰的三個面的顏色分別成順時鐘,逆時鐘的排列法
所以不考慮顏色,是同構的
配色如果以順時鐘那面來考慮
是C6取3 有二十種,再乘以兩種順序
剩下的另一面是排列問題3! = 6種
總共是 20*2*6 = 240種
好像有點多,不知道有沒有算重覆的?
--
從方塊的配置來看,有六種顏色各四塊
再加上兩個沒有顏色的角塊
這兩個沒有顏色的角塊就是關鍵也一定要有對稱關係
正面 背面
/\ /\
/\/\ /\/\
/\/\/\ /\/\/\
|\/\/\/| |\/\/\/|
| |\/\/| | | |\/\/| |
|\| |\/| |/| |\| |\/| |/|
| |\| | |/| | | |\| | |/| |
|\| |\|/| |/| |\| |\|/| |/|
| |\| V |/| | | |\| V |/| |
\| |\|/| |/ \| |\|/| |/
\| V |/ \| V |/
\|/ \|/
兩個沒有顏色的角塊在對面的位置
相鄰的三個面的顏色分別成順時鐘,逆時鐘的排列法
所以不考慮顏色,是同構的
配色如果以順時鐘那面來考慮
是C6取3 有二十種,再乘以兩種順序
剩下的另一面是排列問題3! = 6種
總共是 20*2*6 = 240種
好像有點多,不知道有沒有算重覆的?
--
Tags:
魔術方塊
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