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Modeling by Object-Driven Linear Elemental Relations (MODLER) is a computer language for representing linear programming models, completely separate from instances defined by data realizations. It also includes representations of binary variables and logical constraints, which arise naturally in large-scale planning and operational decision support. The basic input to MODLER is a model file, and its basic output is a matrix file that is in a standard (MPS) format for most optimizers and for ANALYZE and RANDMOD. MODLER can also generate a syntax file for ANALYZE to enable automatic translation of activities and constraints into English for intelligent analysis support. The book is accompanied by a DOS version of MODLER on 3.5 inch diskettes and A Laboratory Manual for Teaching Linear Programming is available upon request.
| Introduction | |
| Overview, Installation, and Help | |
| What you have and how to begin | |
| Quick installation for DOS environment | |
| Alternative environments | |
| Some interactive language conventions | |
| On-line documentation | |
| Anatomy of a Linear Program | |
| Algebraic form | |
| Model syntax | |
| Objects and relations | |
| Preliminaries | |
| The sign-on and basic interactive conventions | |
| Elementary models and query | |
| Randomization by command | |
| Models and Instances | |
| Some precepts | |
| More examples | |
| Data objects | |
| Randomization options | |
| Special Structures | |
| Binary variables and logical constraints | |
| Dynamic models | |
| Approximation of nonlinear functions | |
| Elastic programming | |
| The SUM Expression | |
| Simple examples | |
| Index conditions | |
| Data conditions | |
| Dependencies | |
| Set maps | |
| Implicit sets | |
| Implicit tables | |
| The SHOW command | |
| File Interfaces | |
| Environment controls | |
| Dictionaries, documents, help, and keyword files | |
| Execution files | |
| Model files | |
| Data files | |
| Matrix and packed files | |
| Schema and syntax files | |
| Explain files | |
| More Model Description | |
| Term expressions | |
| A blending model | |
| The REPORT execution file | |
| Attribute inheritance | |
| Equation conditions | |
| Use of set maps | |
| Model Management | |
| Overview | |
| A case study | |
| Using directories to aid model formulation | |
| Appendix A: Troubleshooting | |
| Appendix B: The MODLER Library | |
| Index | |
| Table of Contents provided by Blackwell. All Rights Reserved. |
ISBN: 9780792393238
ISBN-10: 0792393236
Series: Operations Research/Computer Science Interface S.
Audience:
Professional
Format:
Hardcover
Language:
English
Number Of Pages: 173
Published: December 2009
Dimensions (cm): 23.4 x 15.6
x 1.1
Weight (kg): 0.426
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