نتایج جستجو برای: exact solutions

تعداد نتایج: 444805  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

Journal: :computational methods for differential equations 0
ahmet bekir eskisehir osmangazi university, art-science faculty, department of mathematics-computer abdelfattah el achab university of choua¨ıb doukkali

the first integral method is an efficient method for obtaining exact solutions of some nonlinear partial differential equations. this method can be applied to non integrable equations as well as to integrable ones. in this paper, the first integral method is used to construct exact solutions of the 2d ginzburg-landau equation.

Journal: :International Journal of Modern Physics D 1998

Journal: :Physical Review D 2001

Journal: :computational methods for differential equations 0
manjit singh yadavindra college of engineering, punjabi university guru kashi campus, talwandi sabo r.k. gupta central university of punjab, bathinda, punjab, india.

based on symbolic manipulation program maple and using riccati equation mapping method several explicit exact solutions including kink, soliton-like, periodic and rational solutions are obtained for (2+1)-dimensional variable coefficient broer--kaup system in quite a straightforward manner. the known solutions of riccati equation are used to construct new solutions for variable coefficient broe...

Journal: :Physical Review D 2015

Journal: :General Relativity and Gravitation 2002

Journal: :computational methods for differential equations 0
md. nur alam assistant professor, department of mathematics, pabna university of science ,technology, pabna-6600, bangladesh md. mashiar rahman department of mathematics, begum rokeya university md. rafiqul islam islam assistant professor, department of mathematics, pabna university of science ,technology, pabna-6600, bangladesh harun-or- roshid assistant professor, department of mathematics, pabna university of science ,technology, pabna-6600, bangladesh

in recent years, numerous approaches have been utilized for finding the exact solutions to nonlinear partial differential equations. one such method is known as the new extended (g'/g)-expansion method and was proposed by roshid et al. in this paper, we apply this method and achieve exact solutions to nonlinear partial differential equations (nlpdes), namely the benjamin-ono equation. it i...

Journal: :international journal of industrial mathematics 2012
s. salahshour m. khan

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