I think only use P(4)+P(6)+P(8)+...
P(i)means the Prob. i-steps to (1,1),(1,5),(5,1),or(5,5).
But it is not easy by hand.If the question change to find
P(4) is good question.
If p(1,1)=1/12,p(1,1)=1/6p(2,3)+1/6p(3,2),p(2,3)=1?
所有跟帖:
• 檢查一下你的推導:p(1,1)=1/6p(2,3)+1/6p(3,2), p(2,3)=1/4 -空指針異常- ♂ (66 bytes) () 04/01/2010 postreply 12:25:40
• you should be know:4p(23)=1,as p(23)=p(32)=p(24)=p(43) -jinjing- ♀ (120 bytes) () 04/01/2010 postreply 14:53:52
• 回複:you should know:4p(23)=1,as p(23)=p(32)=p(24)=p(43) -jinjing- ♀ (0 bytes) () 04/01/2010 postreply 14:55:22