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本文利用Γ函数的递推公式开拓了双Γ函数的展开式的定义域,并引入黄金分割法,给出了一种通用型的三参数Pearson-Ⅱ型分布极大似然估计方法,最后给出了一个应用实例。
In this paper, we use the recursive formula of Γ function to open up the domain of the expansion of the double Γ function and introduce the golden section method. We give a general three-parameter Pearson-Ⅱ distribution maximum likelihood estimation method, Out of an application example.