代码描述了利用分布傅里叶方法求解非线性薛定谔方程。g1和g2表示了非线性薛定谔方程中的差分算符与非线性算符。-Code describes the use of distribution of the Fourier method for solving nonlinear Schrodinger equation. g1 and g2 represent the nonlinear Schrodinger equation in nonlinear differential operator