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
Lg–lg plot of
N
versus
l
∞
-error of integrator (
19
) for GPE.