OPTMODEL Modeling Language

## OPTMODEL Modeling Language: Basic Concepts

As seen from the examples in the previous section, a PROC OPTMODEL model consists of one or more declarations of variables,
objectives, constraints, and parameters, in addition to possibly intermixed programming statements, which use the components
that are created by the declarations. The declarations define the mathematical form of the problem to solve. The programming
statements define data values, invoke the solver, or print the results. This section describes some basic concepts, such as
variables, indices, and so on, which are used in the section Syntax: OPTMODEL Procedure.

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