The following features are demonstrated in this example:
problem type: linear programming
numeric and string index sets
reading dense two-dimensional data
bounds in the VAR statement
FIX statement
IMPVAR statement
MAX aggregation operator
SUBSTR function
using a colon (:) to select members of a set
set operators DIFF and UNION
linearizing a ratio constraint
range constraint
EXPAND statement
using a variable suffix (such as .sol
) in the declaration of a numeric parameter
multiple input and output data sets
ALGORITHM= option