We give a theoretical basis for special solution of the linear non-homogeneous recursion equationwithconstantcoefficient.
提出了非齐次线性递归方程的降阶公式，并由此导出了常系数非齐次线性递归方程的特解公式。
2
The calculated exemplum by using this model indicates that experimental regression constant in the diffusion coefficientequation varies with the flow velocity of fluid and ranges from 0.014 to 0.020.