摘要
导出一随机流行病概率模型p1,n(0,t)的表达式,并籍此求得其密度函数、分布函数、期望及方差.
The express form of p 1,n (0,t) on a probability model of a random epidemic disease is given and the probability density, probability distribution function, expected value, variance are also given.
出处
《临沂师范学院学报》
2003年第3期13-15,18,共4页
Journal of Linyi Teachers' College
关键词
感染
随机变量
概率分布
epidemic disease model
random
probability distribution
