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3. Expressions
3.1 Numeric expressions | ||
3.2 Symbolic expressions | ||
3.3 Indexing expressions and dummy indices | ||
3.4 Set expressions | ||
3.5 Logical expressions | ||
3.6 Linear expressions |
Expression is a rule for computing a value. In model description expressions are used as constituents of certain statements.
In general case expressions consist of operands and operators.
Depending on the type of the resultant value all expressions fall into the following categories:
- numeric expressions;
- symbolic expressions;
- indexing expressions;
- set expressions;
- logical expressions;
- linear expressions.