linear programming in operation research ppt

maximize c 1 x 1 + c 2 x Honours (Operational Research) 2 PREAMBLE Operational Research (OR) is a discipline to aid decision making and improving efficiency of the system by applying advanced analytical methods. 0/1 Knapsack problem 4. You might imagine that the 2 Linear Programming Problem (LPP) 2.1 INTRODUCTION Linear Programming constitutes a set of Mathematical Methods specially designed for the Modelling and solution of certain kinds of constrained optimization problems. A typical linear programming problem consists of a linear objective function which is to be maximized or minimized subject to a finite number of linear constraints. The programming in linear programming is an archaic use of the word “programming” to mean “planning”. We refer to this property as the objective function of an LP problem. Linear programming is an optimization method applicable for the solution of problems in which the objective function and the constraints appear as linear functions of the decision variables. So you might think of linear programming as “planning with linear models”. CONTENTS Unit 1: Introduction to Operations Research 1 Unit 2: Linear Programming Problems 15 Unit 3: Linear Programming Problem – Simplex Method 47 Unit 4: Linear Programming – Duality 86 Unit 5: Transportation Problem 96 Unit 6: Transportation Problem – Optimality Tests 121 Transportation Networks. Output: real numbers x j. n = # nonnegative variables, m = # constraints. As a formal discipline it originated in the efforts of military planners during World War II. Optimization is a branch of OR which uses mathematical techniques such as linear and nonlinear programming to derive values for system variables that will optimize performance. A relationship among decision variables must be linear in nature. Structure of a linear programming model (objective function, variables ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 1cb0ef-ODQwY Resource constraints are essential. For an LPP, our objective is to maximize or minimize a linear function subject to … - Selection from Operations Research [Book] 2. The following properties of the linear programming model: 1. Depending what decisions are made in one stage, the system might end up in different states in the next stage. Linear programming is a widely used field of optimization for several reasons. A company makes two products (X and Y) using two machines (A and B). Maximize linear objective function subject to linear equations. Linear Programming. “Linear” No x2, xy, arccos(x), etc. Because it is often possible to solve the related linear program with the shadow prices as the variables in place of, or in conjunction with, the original linear program, thereby taking advantage of some computational efficiencies. B. Sc. Operation Management. Certain special cases of linear programming, such as network flow problems and multicommodity flow problems are considered important enough to have generated much research on specialized algorithms for their … The … - Selection from Operations Research [Book] Vanderbei/LINEAR PROGRAMMING: Foundations & Extensions, 3rd Edition Chhajed & Lowe/BUILDING INTUITION: Insights from Basic Operations Mgmt. Today, the process of planning is unthinkable without using some of the qualitative or quantitative techniques which are efficinelty used within the other fields as well. LP problems seek to maximize or minimize some quantity (usually profit or cost). Chapter 1 What Is Operations Research? The operational research consist of a group, primary quantitative techniques Linear Programming. This distribution A PREVIEW OF DUALITY . 10 Non-Linear Programming 10.1 INTRODUCTION In the previous chapters, we have studied linear programming problems. THE GRAPHICAL METHOD Linear Programming Problem Properties of LPs LP Solutions Graphical Solution Introduction to Sensitivity Analysis Linear Programming (LP) Problem ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 659234-ODY3O “Programming” “ Planning” (term predates computer programming). Linear Programming (LP) is a mathematical modelling technique useful for allocation of limited resources such as material, machines etc to several competing activities such as projects, services etc. that is the perfect ppt of operation research A model must have an objective function. Linear programming in the process of planning in agriculture and agribusiness. CIVE 744. Many practical problems in operations research can be expressed as linear programming problems. Operation Research Ppt - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. The book is an easy read, explaining the basics of operations research and discussing various optimization techniques such as linear and non-linear programming, dynamic programming, goal programming, parametric programming, integer programming, transportation and assignment problems, inventory control, and network techniques. Linear programming solution examples Linear programming example 1997 UG exam. Dynamic Programming - Examples to Solve Linear & Integer Programming Problems Inventory Models - Deterministic Models Inventory Models - Discount Models, Constrained Inventory Problems, Lagrangean Multipliers, Conclusions Lp problems seek to maximize or minimize some quantity ( usually profit or cost ) research – Image... 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