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Exact solutions for some non-linear differential equations using complex hyperbolic function methods
Faculty
Science
Year:
2008
Type of Publication:
Article
Pages:
509-522
Authors:
Gepreel, Khaled A, Zayed, E. M. E, El Horbaty, M. M
DOI:
10.1080/00036810801912098
Journal:
APPLICABLE ANALYSIS TAYLOR \& FRANCIS LTD
Volume:
87
Research Area:
Mathematics
ISSN
ISI:000256805300002
Keywords :
general non-linear equations, symbolic computation, complex hyperbolic-function method, exact solutions
Abstract:
Based on computerized symbolic computation, the coth-csch complex hyperbolic-function method is proposed for the general non-linear equations of mathematical physics in a unified way. In this article, we assume that exact solutions for a given general non-linear equations be the superposition of different powers of the coth-function, csch-function and/or their combinations. After finishing some direct calculations, we can finally obtain the exact solutions expressed by the complex hyperbolic function. The characteristic feature of this method is that we can derive exact solutions to the general non-linear equations directly without transformation. Some illustrative equations, such as the coupled non-linear Schrodinger equation, the generalized non-linear Schrodinger-like equation, coupled non-linear Schrodinger KdV system, Davey Stewartson equation and the (2 + 1)-dimensional generalization of coupled non-linear Schrodinger KdV system equation are investigated by this method and new exact solutions are found.
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