Figure 1From: Nonstandard finite difference variational integrators for nonlinear Schrödinger equation with variable coefficientsThe waveforms of (16) withμ=1by integrator (14). The waveforms of the NLSE with variable coefficients (16) (μ=1) by the nonstandard finite difference variational integrator (14) with Δt=0.1 and Δx=0.1.Back to article page