2.拉盖尔多项式

一般拉盖尔多项式中,当时,定义

                       

为拉盖尔多项式.它的相应公式为

              (母函数展开)

        

        

       

       

       

       

       

        ········································

                     (拉盖尔微分方程)

                         (正交性)

              

                       (递推公式)