Abstract
In this paper, N(N=2,3⋯) coupled nonlinear Schrödinger equations with variable coefficients have been studied via the Darboux transformation, which have been used to describe the interaction among nonlinear optics and other interdisciplinary subjects. Higher-order semi-rational solutions have been attained. As an example, it has been discussed the propagation and interaction of rogue wave and soliton for the 3 coupled nonlinear Schrödinger equations with variable coefficients: one- and two-order solitons with rogue waves have been discussed.
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