| [ QuizWit ] in KIDS 글 쓴 이(By): iLUSiON (화려한집념) 날 짜 (Date): 2003년 3월 27일 목요일 오전 08시 56분 30초 제 목(Title): random walk 2. you have to solve this problem by summing the all possible probability of you (or a particle) hitting y starting from 0. if you define P(0,y) be the probability of hitting y starting from 0, then P(0,y) = \sum_t P(0,y;t) where P(0,y;t) would be the probability of hitting y at time t. well guys give me the complete solution instead of quoting textbooks ! but i think the second guy got it almost correct although i am not quite sure what is babbling about. hehe.... iLUSiON whitepolarcow@hotmail.com |