ILOG CPLEX 11.0 Getting Started > Tutorials > Interactive Optimizer Tutorial > Changing a Problem > Changing Sense |
Changing Sense |
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Next, change the sense of the new3
constraint from to using the sense
option of the change
command. At the CPLEX>
prompt, type:
ILOG CPLEX prompts you to specify a constraint. There are two ways of specifying this constraint: if you know the name (for example, new3
), you can enter the name; if you do not know the name, you can specify the index of the constraint. In this example, the index is 3 for the new3
constraint. Try the first method and type:
ILOG CPLEX tells you the current sense of the selected constraint. All that is left now is to enter the new sense, which can be entered as <=
, >=
, or =
. You can also type simply <
(interpreted as ) or >
(interpreted as ). The letters l
, g
, and e
are also interpreted as , , and = respectively.
The sense of the constraint has been changed.
The sense of the objective function may be changed by specifying the objective function name (its default is obj
) or the number 0 when ILOG CPLEX prompts you for the constraint. You are then prompted for a new sense. The sense of an objective function can take the value maximum
or minimum
or the abbreviation max
or min
.
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