OPL keywords

Description, syntax, and example for each individual OPL keyword..

Summary table of OPL keywords
Provides a short description of each OPL keyword and a link to the corresponding full description.
all
OPL keyword that allows you to use only part of an array with functions that take array parameters.
and
OPL aggregate to express cumulative constraints.
assert
OPL keyword to check some assumptions.
boolean
OPL keyword.
constraint
OPL keyword to declare constraint arrays.
constraints
An alias for subject to
CP
OPL keyword to specify CP.
CPLEX
OPL keyword to specify MP.
cumulFunction
OPL keyword (CP, scheduling) to create a cumulative function.
dexpr
OPL keyword to express decision variables.
diff
OPL keyword to compute the difference between two sets.
div
OPL keyword for the integer division
dvar
OPL keyword for decision variables.
else
OPL keyword for conditional constraints.
execute
OPL keyword for pre- and postprocessing.
false
OPL keyword for false constraints
float
OPL keyword for floats.
float+
Domain shortcut for decision variables.
forall
OPL keyword to specify constraints.
from
OPL keyword for database and spreadsheet reading.
if
OPL keyword for conditional constraints
in
OPL and IBM® ILOG® Script keyword to express membershipp.
include
OPL keyword to include a model in another model
infinity
OPL keyword to represent the infinity symbol.
int
OPL keyword for integers.
int+
Domain shortcut for decision variables.
intensity
OPL keyword (CP, scheduling) for determining intensity of an interval variable.
inter
OPL keyword for intersections of sets.
interval
OPL keyword (CP, scheduling) for interval variables.
invoke
OPL keyword for scripting statements in data files
key
OPL keyword for tuple declaration
main
OPL keyword for a flow control script
max
OPL keyword to compute maxima.
maximize
OPL keyword for the objective function
maxint
Keyword for the largest positive integer in OPL
min
OPL keyword to compute minima.
minimize
OPL keyword for the objective function
mod
OPL keyword for the remainder of the integer division
not in
OPL keyword to check nonmembership
optional
OPL keyword (CP, scheduling) used to declare an interval as optional.
or
OPL aggregate for alternative constraints.
ordered
OPL keyword to order index pairs
piecewise
OPL keyword to express piecewise linear functions.
prepare
OPL keyword for scripting statements in data files
prod
OPL keyword to compute products.
pwlFunction
OPL keyword to create a piecewise linear function
range
OPL keyword for ranges of integers
reversed
OPL keyword for descending sort order
sequence
OPL keyword (CP, scheduling) to define a sequence of interval variables.
setof
OPL keyword for sets
SheetConnection
OPL keyword to connect to a spreadsheet.
SheetRead
OPL keyword to read spreadsheet ranges into multidimensional arrays or sets.
SheetWrite
OPL keyword to write results to a spreadsheet.
size
OPL keyword (CP, scheduling) for defining interval size.
sorted
OPL keyword for ascending sort order
stateFunction
OPL keyword (CP, scheduling) to create a state function.
stepFunction
OPL keyword to create a stepwise linear function
stepwise
OPL keyword for stepwise linear functions
string
OPL keyword for strings
subject to
OPL keyword to express constraints
sum
OPL keyword to compute summations.
symdiff
OPL keyword for the difference between union and intersection
to
OPL keyword for database and spreadsheet writing
true
OPL keyword for true constraints
tuple
OPL keyword to cluster data
types
Associates a non-negative integer with each interval variable in a sequence.
union
OPL keyword for unions
using
OPL keyword for the solving engine
with
OPL keyword for membership

Parent topic: Language Quick Reference