Multi-symplectic variational integrators for nonlinear Schrödinger equations with variable coefficients
Liao Cui-Cui
1, †,
, Cui Jin-Chao
1
, Liang Jiu-Zhen
2
, Ding Xiao-Hua
3
Numerical waveform of GPE by integrator (
19
) with Δ
t
= 0.01 and Δ
x
= 2
π
/64.