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### dynamic programming in operation research ppt

Description: This lecture introduces dynamic programming, in which careful exhaustive search can be used to design polynomial-time algorithms. Deterministic Dynamic Programming Introduction to Operations Research. PAPER 6 (ii) : OPERATIONS RESEARCH. The Fibonacci and shortest paths problems are used to introduce guessing, memoization, and reusing solutions to subproblems. Today, operations research is a mature, well-developed field with a sophisticated array of techniques that are used routinely to solve problems in a wide range of application areas. Moreover, Dynamic Programming algorithm solves each sub-problem just once and then saves its answer in a table, thereby avoiding the work of re-computing the answer every time. Dynamic Programming • Dynamic programming is a widely-used mathematical technique for solving problems that can be divided into stages and where decisions are required in each stage. This chapter will provide an overview of O.R. • The goal of dynamic programming is to find a combination of decisions that optimizes a certain amount associated with a system. Like divide-and-conquer method, Dynamic Programming solves problems by combining the solutions of subproblems. Index One/Page or HANDOUT; Deterministic DP Models. Dynamic programming approach offers an exact solution to solving complex reservoir operational problems. when dynamic programming was developed. Dynamic Programming is also used in optimization problems. Optimisation problems seek the maximum or minimum solution. Syllabi. Dynamic Programming. The notes were meant to provide a succint summary of the material, most of which was loosely based on the book Winston-Venkataramanan: Introduction to Mathematical Programming (4th ed. IEOR 4004: Introduction to Operations Research - Deterministic Models. ), Brooks/Cole 2003. 1/0 Knapsack problem • Decompose the problem into smaller problems. Other material (such as the dictionary notation) was adapted Dynamic Programming Overview Dynamic Programming Notation Backwards Recursion 3 Applications of Dynamic Programming A Production and Inventory Control Problem. Contents Preface xii About the Author xvi 1 An Introduction to Model-Building 1 1.1 An Introduction to Modeling 1 1.2 The Seven-Step Model-Building Process 5 1.3 CITGO Petroleum 6 1.4 San Francisco Police Department Scheduling 7 1.5 GE Capital 9 2 Basic Linear Algebra 11 2.1 Matrices and Vectors 11 2.2 Matrices and Systems of Linear Equations 20 2.3 The Gauss-Jordan Method for Solving It is both a mathematical optimisation method and a computer programming method. Instructor: Erik Demaine The name also refers to pro-gramming in the sense of the operations research literature (like, for exam-ple, integer programming) and does not refer to programming the way we understand today. UNIT-I. Under the above conditions, the idea of dynamic programming is to Dynamic programming is breaking down a problem into smaller sub-problems, solving each sub-problem and storing the solutions to each of these sub-problems in an array (or similar data structure) so each sub-problem is only calculated once. from the perspective of an The lab Knapsack is a complete example so students can get familiar with the framework for implementing dynamic programs. Let us assume the sequence of items S={s 1, s 2, s 3, …, s n}. Operations Research—Meaning, Significance and Scope. Introduction to Linear Programming, Formulation of Linear Programming—Problem, Graphical Method,Simplex Method.Duality in Linear Programming, Definition of Dual Problem, General Rules in Converting any Primal into its Dual, It matches the notations and example of the Dasgupta, Papadimitriou, Vazirani book. 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