Proposed New AMPL Features

The following sections describe features that are under consideration for inclusion in the AMPL language and system. Specifications are still subject to change, so comments and suggestions are welcome.

Stochastic Programming Extensions

• Scenarios
• Recourse problems
• Other formulations

Constraint Logic Programming Extensions

Index to examples
• Logical operators
• Conditional operators
• Counting operators
• Pairwise operators

• Variables in subscripts

• Object-valued variables
• Set-valued variables

Sets

• Member extraction operators
• True sets of sets (to come)

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