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Operations Research Methodology Solving an Operations Research (OR) problem is not a linear process, but the process can be broken down into five general steps:...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
Supply Chains 1 Introduction 1 Decisions in a Supply Chain 1 The Supply Chain Tradeoff: Flexibility vs Inventory 1 Integration and Coordination...
Running a Simulation Model Once your simulation model is complete, you need to select Run Setup... to control various aspects of how you simulation will run....
Logic in AMPL 1 Relational Operators 1 Logical Operators 1 Logical Expressions 1 Conditional Expressions 1 Conditional Structures 1 Binary Parameters...
Arena Guide Arena is a commercial simulation package distributed by Rockwell Automation. For more details see the main Arena website: www.arenasimulation.com and there...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
\usepackage{amsmath} Miscellaneous AMPL Commands 1 check statements 1 reset data 1 AMPL Macros and Suffixes 1 Columnwise Formulation 1 Power Sets...
Rather than run trial replications in order to estimate how many replications are necessary to ensure the accuracy of a particular output, we can use dynamic simulation...
Animating a Resource To animate a resource, first click on the Resource button in the Animate toolbar. This brings up the Resource Picture Placement Dialogue...
Columnwise Formulations in AMPL Consider the following problem (Adapted from Section 16.2, AMPL: A Modeling Language for Mathematical Programming): Workhard and Co...
Parametric Analysis After solving a linear programme, you have sensitivity analysis immediately available to show what happen happens Lauren when there are small...
Coming soon! To see simulation modelling in action, check out some of the simulation modelling case studies: CameronWalker 26 Jun 2009
Installing AMPL at Home For Windows You can easily set up AMPL on your (Windows) computer by: 1 Downloading a `starter kit` from the AMPL website; 1 Extracting...
The AMPL Process Starting AMPL AMPL Commands The Model Environment The Data Environment Scripting in AMPL Notes on AMPL Files...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
Integer Programming with AMPL Specifying variables to be integer or binary in AMPL will cause the solver, e.g., CPLEX, to use mixed integer programming. This will...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
Depth First Search for Enumeration One common method of generating patterns for set partitioning problems is to use a search to find feasible patterns/schedules/sets...
\usepackage{amsmath,amssymb} Set Partitioning, Packing and Covering Set partitioning, packing and covering problems are common types of integer programmes. They involve...
The Cutting Stock Problem Also known as the Trim Loss Model. Coming soon! Solving the Cutting Stock Problem with OR Software Using AMPL/CPLEX (Coming Soon!)...
Name LinearProgramming NonlinearProgramming IntegerProgramming NetworkOptimisation SimulationModelling BlendingModels MasterSlaveConstraints...
\usepackage{amsmath,amssymb} Power Sets When building set partitioning, covering or packing models we often choose to generate a power set to generate variables...
Mathematical Programming Mathematical programming uses mathematical variables and expressions to model problems. In the formulation step of the Operations Research...
Network Optimisation Network optimisation involves mathematical programmes that describe problems based on networks. There are many different types of network optimisation...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
The AMPL Syntax Guide Disclaimer This is a guide to the AMPL syntax only. For a comprehensive reference to the AMPL language see AMPL: A Modeling Language for...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
\usepackage{amsmath} Case Study: Submitted: Operations Research Topics: Application Areas: Contents Problem Description Problem Description Return...
Looping in AMPL for Loops let Loops Conditional Loops for Loops In AMPL you can create basic for loops by creating a set automatically and looping over elements...
What is a Management Summary? Wikitionary defines management as administration; the process or practice of managing. and a summary as concise, brief or presented...
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Pages to Review MichaelOSullivan 21 Feb 2008
Command Line How To For Windows Instructions for starting a command line application in Windows: 1 Go to the start menu 1 Select Run... 1 Enter cmd...
Constraints in AMPL 1 Description 1 Defining a Constraint 1 Bounded Constraints 1 Examining Constraints 1 Changing Constraints Description Mathematical...
Expressions in AMPL 1 Description 1 The sum Expression 1 min/max Expressions 1 Mathematical Operators Description Expressions are the main way for AMPL...
Objective Functions in AMPL 1 Description 2 Declaring an Objective Function 3 Defining an Objective Function Description The objective function of a mathematical...
Name TeachingCaseStudy DIYCaseStudy
Name Type Size Values Tooltip message Attributes Title text 20 Title The title of the case study M DateSubmitted date 12...
New case study: (date format is YYYYxMMxDD)
Pages to Under Construction MichaelOSullivan 23 Feb 2008
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