Figure 7From: Nonstandard finite difference variational integrators for nonlinear Schrödinger equation with variable coefficientsNorm conservation performance of integrator (14) for (16) μ=2. Norm conservation Norm k 2 of the nonstandard finite difference variational integrator (14) for the NLSE with variable coefficients (16) (μ=2), from t=0 to t=60 with Δt=0.1 and Δx=0.1.Back to article page