Modeling by Object-Driven Linear Elemental Relations

1. Front Matter

   Pages i-x

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2. Overview, Installation, and Help

   • Harvey J. Greenberg

   Pages 1-7

3. Anatomy of a Linear Program

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   Pages 9-14

4. Preliminaries

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   Pages 15-33

5. Models and Instances

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   Pages 35-57

6. Special Structures

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   Pages 59-71

7. The SUM Expression

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   Pages 73-85

8. Dependencies

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   Pages 87-96

9. File Interfaces

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   Pages 97-113

10. More Model Description

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    Pages 115-148

11. Model Management

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    Pages 149-153

12. Back Matter

    Pages 155-163

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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.

• computer
• decision support
• linear optimization
• management
• modeling
• programming

• Mathematics Department, University of Colorado at Denver, Denver, USA

  Harvey J. Greenberg

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