Senior, medium and front-line management have now access to personal computers and spreadsheet software such as Microsoft Excel is extensively used. The extensive use of personal computers, the dramatic reduction of their cost and the tremendous increase of their computing ability have influenced the management culture worldwide. Thus LP, for a number of years, has been used only by very big business, government agencies and organizations or in the frames of academic research. This is because the LP formulation of, even quite simple, business situations involves an exceptionally big number of variables and constraints, and hence, expensive dedicated software requiring specialized personnel needed to be used for handling the resulting models. On the basis of the relevant literature and given that this can be easily formulated as Linear Programming (LP) techniques would have been widely used in every business or management school worldwide, they have been, so far, hardly used in real world conditions by management. Each of these functions is integrated into the host spreadsheet program as closely as possible.
The Microsoft Excel Solver combines the functions of a graphical user interface (GUI), an algebraic modeling language like GAMS or AMPL, and optimizers for linear, nonlinear, and integer programs. It was found many applications of the Excel Solver in industry and education and describe how practitioners who are not affiliated with the OR/MS (Operations Research/ Management Science) community use it. It was clear up some common misunderstandings and pitfalls, and to suggest ideas for good modeling practice when using spreadsheet optimization. In review of the background and design philosophy of the Excel Solver. This widespread availability has spawned many applications in industry and government. The remaining 10 to 20 percent of this audience use either Lotus 1-2-3 or Quattro Pro, both of which now include very similar spreadsheet solvers, based on the same technology used in the Excel Solver. Bundled with every copy of Microsoft Excel and Microsoft Office shipped during the last eight years, the Excel Solver is in the hands of 80 to 90 percent of users of office-productivity software worldwide. Introduction: Since its introduction in February 1991, the Microsoft Excel Solver has become the most widely distributed and almost surely the most widely used general purpose optimization modeling system. Keywords Operations Research, Linear Programming, Excel Solver, Optimization.
(c) The data transfer to and from Excel is very flexible.
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The reasons to use of Excel for optimization can be considered a viable option are: (a) Excel is readily available in any Windows platform without any additional cost. Also it provides: a brief overview of Excel’s Add-in Solver basic theory of optimization as implemented within the Solver advantages of the Excel Solver in linear programming, and three numerical examples outlining the steps involved in carrying out adjustment of Solver to solve the linear programming problems. It also describes the underlying tools that allow Excel spreadsheets to be used over linear data, with fast computation of optimization. (Received 19 / 2 / 2008, Accepted 29 / 6 / 2008)Ībstract: This paper describes advanced methods for finding a verified global optimum and finding all solutions of a system of linear programming, as implemented in the Premium Solver Platform, an extension of the Solver bundled with Microsoft Excel. Latif 2 1 2Įngineering College, University of Tikrit, Tikrit, Iraq College of Comp.
Solving Linear Programming Problems By Using Excel’s Solver Salim A.