AMPL C# API

Contents

• Introduction
  • What are AMPL APIs?
  • Who can use AMPL APIs
  • System requirements
  • About this manual
• Initial Setup
  • Installation
  • Create a new project using NuGet (reccomended)
  • Use the distributed assembly
  • Running the examples
  • Development
  • Deployment
• Quick Start
  • Complete listing
  • Namespaces and AMPL environment creation
  • Load a model from file
  • Solve a problem
  • Get an AMPL entity in the programming environment (get objective value)
  • Modify model data (assign values to parameters)
  • Get numeric values from variables
  • Get arbitrary values via ampl expressions
  • Close the AMPL object to free the resources
• Class structure
  • AMPL class
  • Modelling entities classes
  • Relation between entities and data
  • Note on variables suffixes
• C# API Reference
  • AMPL classes
  • Entities classes
  • Instance classes
• C# API Examples
  • Example 1: First steps
  • Example 2: Get and set AMPL options
  • Example 3: Get and set data through DataFrames
  • Example 4: Operate with multidimensional data
  • Example 5: Assign all data to a model and solve it
  • Example 6: Build an efficient frontier
  • Example 7: Simple heuristic
  • Example 8: Simple heuristic
  • Example 10: Redirecting output and error messages
• API Reference
  • ampl Namespace
  • ampl.Entities Namespace
  • ampl.com Namespace

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Introduction