Abstract
Recently, the \(\exp (-\phi (\xi ))\)-expansion method has attracted many authors’ interest. In this article, by making use of a certain Riccati equation, we obtain its equivalent form. Compared with the original \(\exp (-\phi (\xi ))\)-expansion method, the equivalent form is simpler, more direct and facile for application. The nonlinear Gerdjikov–Ivanov equation serves as an example to show its advantages.
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Acknowledgements
Many thanks are due to the helpful comments and suggestions from the anonymous referee and support from the Scientific Research Fund of Zhejiang Provincial Education Department (Grant number Y201432746).
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Liu, HZ. An equivalent form for the \(\exp (-\phi (\xi ))\)-expansion method. Japan J. Indust. Appl. Math. 35, 1153–1161 (2018). https://doi.org/10.1007/s13160-018-0324-x
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DOI: https://doi.org/10.1007/s13160-018-0324-x