【摘要】 给出了已知水平(垂直)截面为有理函数截面的copula构造方法,并确定了对称copula、Archimedeancopula函数,证明了水平(垂直)截面为二次有理函数的Archimedean copula函数的不存在性.更多还原

【Abstract】 A construction method with rational function horizontal or vertical sections is presented.Symmetry copulas and Archimedean copulas are given respectively.Nonexistence of Archimedean copulas with quadratic rational function horizontal or vertical sections has been proved.更多还原