Poisson distribution
短语[计] 泊松分布 [化] 泊松分布
词形变化
Poisson distributions
复数
Poisson distributions
释义与例句
n.
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1.
Any of a class of discrete probability distributions that express the probability of a given number of events occurring in a fixed time interval, where the events occur independently and at a constant average rate; describable as a limit case of either binomial or negative binomial distributions.
数学
词汇关系
上位词 1
词源
After French mathematician Siméon Denis Poisson (1781-1840), who introduced the distribution in his 1837 work Recherches sur la probabilité des jugements en matière criminelle et en matière civile ("Research on the Probability of Judgements in Criminal and Civil Matters"), although prior work had been done by Abraham de Moivre.
来源:wiktionary