一个偏微分方程的解与Laguerre多项式

Solution of A Partial Differential Equation and Laguerre Polynomials

由两种方法求解一个偏微分方程，得到了一个算子公式和关于Ｌａｇｕｅｒｒｅ多项式的两种微分表达式。

By solving a partial differential equation in two ways,an operational formula and two differential expressions for Laguerre polynomials are obtained.