The OPTMODEL Procedure OverviewGetting StartedSyntaxDetailsExamplesReferences Details: OPTMODEL Procedure Subsections: Named Parameters Indexing Types Names Parameters Expressions Identifier Expressions Function Expressions Index Sets Nil Values OPTMODEL Expression Extensions Conditions of Optimality Data Set Input/Output Control Flow Formatted Output ODS Table and Variable Names Constraints Indicator Constraints SOS Constraints Suffixes Integer Variable Suffixes Dual Values Reduced Costs Presolver Linearization Conic Transformation Model Update Multiple Subproblems Multiple Solutions Problem Symbols OPTMODEL Options Automatic Differentiation Conversions FCMP Routines More on Index Sets Threaded and Distributed Processing Macro Variable _OROPTMODEL_ Rewriting PROC NLP Models for PROC OPTMODEL Last updated: June 22, 2026