Shohib, Reham M.A.Alngar, Mohamed E.M.Arnous, Ahmed H.Biswas, AnjanRawal, BharatYildirim, YakupMoshokoa, Seithuti P.Alshomrani, Saleh2024-11-112024-11-112024-04-161609-1833 (P)1816-2002 (E)https://doi.org/10.1007/s12596-024-01983-yhttps://hdl.handle.net/20.500.14519/1045In this article, the parameter dynamics of super–Gaussian and super–sech pulses for the perturbed nonlinear Schrödinger’s equation with polynomial and triple–power nonlinearity laws are recovered. The variational principle successfully recovers this dynamical system.1-18 PagesenAttribution-NonCommercial-ShareAlike 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-sa/4.0/SolitonsVariational principlePerturbed nonlinear Schrödinger’s equationEuler–Lagrange equationArticle