摘要： Probability Mass Function 离散随机变量的分布函数PMF note 前半部分是Analytic Combinatorics by Philippe Flajolet, Robert Sedgewick的 III.2. Bivariate generating function 阅读全文

摘要： 目录ConstructionsCycleMultiset constructionPowerset constructionAdmissible unlabelled constructions OGFSymbolic method ,unlabelled case OGFOGF的Dictionar 阅读全文