用DQ法求解动力学微分方程。用于解答0.01y +y=0,初始条件为x=0,y(0)=0.5,y (0)=0-solve the dynamic differential equation with DQ method

Fourier 谱方法数值求解动力学方程 组，可得到不同时间步下微观结构的演化-Fourier spectral method numerical solution of kinetic equations Group, evolution can be obtained under different time steps microstructure