一类二阶常系数差分方程特解的简单求法

One Simplied Method of Solving Particular Solution of Second-Order Constant Coefficient Difference Equation

给出了二阶常系数差分方程yt+2+pyt+1+qyt=(a1t+a0)sinωt和yt+2+pyt+1+qyt=(a1t+a0)cosωt特解的一种新的公式化求解方法,可直接使用该公式计算出二阶常系数线性非齐次差分方程的特解.

Gives a new method of formulation solution of the particular solution of second-order constant coefficient difference equation yt+2+pyt+1+qyt=(a1t+a0)sin ωt and yt+2+pyt+1+qyt=(a1t+a0)cos ωt.Particular solution can be obtained by the formula directly.