摘要
对具有准有序限制的 n阶排列进行了研究 ,运用组合学原理给出了相应的计数公式及其部分性质 .
This paper conducts studies of n order permutation of quasi ordered permutation,and gives counting formulas for n order quasi ordered permutation.Through the research of combinatorial principle,the characters of the counting formula are pointed out.
出处
《武汉交通科技大学学报》
2000年第1期42-44,共3页
Journal of Wuhan University of Technology(Transportation Science & Engineering)
