几类组合恒等式的概率证法  

Probability Proof for Some Combinatorial Identities

作　　者：孙树伟[1] 

机构地区：[1]徐州工程学院数学与物理科学学院,徐州221008

出　　处：《科技信息》2007年第30期226-227,共2页Science & Technology Information

摘　　要：本文通过建立概率模型,分别运用完备事件组、全概率公式及随机变量的数字特征等方法,举例证明了几类组合恒等式;既是概率论在证明组合恒等式方面的广泛应用,又充分展现了概率证法的独到之处。In this paper, through building probability model, by means of complete incident group, complete probability formula and the number characteristics of random variables, several categories of combinatorial identities are proved. This is not only the broader applications of Probability theory, but also fully shows the unique feature of the proving means that using Probability.

关 键 词：概率 组合恒等式 概率模型 

分 类 号：O157.1[理学—数学]