نتایج جستجو برای: solution technique

تعداد نتایج: 1035431  

An interactive heuristic approach can offer a practical solution to the problem of linear integer programming (LIP) by combining an optimization technique with the Decision Maker’s (DM) judgment and technical supervision. This is made possible using the concept of bicriterion linear programming (BLP) problem in an integer environment. This model proposes two bicriterion linear programs for iden...

Journal: :International journal of electrical & electronics research 2022

Direction finding systems applying phase interferometer of long baseline gives high accuracy the angle arrival measurements; however, they are suffering from ambiguity and error due to antenna spacing greater than half wavelength intercepted signals. In this paper, simple two-antenna system has been adopted with zero-crossing technique used solve measurement ambiguities in processing unit. The ...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
aminreza noghrehabadi mohammad ghalambaz amin samimi

in this paper, an integration of a symbolic power series method - padé approximation technique (ps - padé), was utilized to solve a system of nonlinear differential equations arising from the similarity solution of laminar thermal boundary layer over a flat plate subjected to a convective surface boundary condition. as both boundary conditions tended to infinity, the combination of series solut...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور استان مازندران - دانشکده ریاضی 1390

abstract this thesis includes five chapter : the first chapter assign to establish fuzzy mathematics requirement and introduction of liner programming in thesis. the second chapter we introduce a multilevel linear programming problems. the third chapter we proposed interactive fuzzy programming which consists of two phases , the study termination conditions of algorithm we show a satisfac...

Journal: :نظریه تقریب و کاربرد های آن 0
e ahmadi department of mathematics, shahr-e-qods branch, islamic azad university, tehran, iran n. ahmadi ِdepartment of mathematics, varamin-pishva branch, islamic azad university, varamin, iran

in this paper a numerical method for solving forth order fuzzy di erentialequations under generalized differentiability is proposed. this method is basedon the interpolating a solution by piecewise polynomial of degree 8 in the rangeof solution . we investigate the existence and uniqueness of solutions. finally anumerical example is presented to illustrate the accuracy of the new technique.

Journal: :journal of sciences, islamic republic of iran 2016
e. hesameddini a. rahimi

fractional calculus has been used to model the physical and engineering processes that have found to be best described by fractional differential equations. for that reason, we need a reliable and efficient technique for the solution of fractional differential equations. the aim of this paper is to present an analytical approximation solution for linear and nonlinear multi-order fractional diff...

Journal: :the modares journal of electrical engineering 2004
ali ghafoorzadeh yazdy

in this paper, a generalized method for accurate full-wave analysis of shielded mic's and the three-layer microstrip structure enclosed in a rectangular cavity based on mixed potential integral equation (mpie) derived in real space have been developed. method of moments (mom) with galerkin technique has been used for the solution of the integral equation to obtain the surface electric currents ...

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