C# API Reference# AMPL classes# All functions and classes provided by the AMPL API reside in namespace ampl. For brevity the namespace will be omitted. AMPL DataFrame Environment Tuple Variant Algebraic entities classes# EntityBase EntityMap Instance Constraint ConstraintMap ConstraintInstance Objective ObjectiveMap ObjectiveInstance Parameter ParameterMap Set SetMap SetInstance Variable VariableMap VariableInstance Exceptions# AMPLException