Try our new documentation site (beta).


GRBEnv::set()

Set the value of a parameter.

Note that a model gets its own copy of the environment when it is created. Changes to the original environment have no effect on the copy, and vice versa. Use GRBModel::set to retrieve the environment associated with a model if you would like to change the parameter value for that model.

void set ( GRB_DoubleParam param,
    double newvalue )

Set the value of a double-valued parameter.

Arguments:

param: The parameter being modified. Please consult the parameter section for a complete list of Gurobi parameters, including descriptions of their purposes and their minimum, maximum, and default values.

newvalue: The desired new value of the parameter.

void set ( GRB_IntParam param,
    int newvalue )

Set the value of an int-valued parameter.

Arguments:

param: The parameter being modified. Please consult the parameter section for a complete list of Gurobi parameters, including descriptions of their purposes and their minimum, maximum, and default values.

newvalue: The desired new value of the parameter.

void set ( GRB_StringParam param,
    const string& newvalue )

Set the value of a string-valued parameter.

Arguments:

param: The parameter being modified. Please consult the parameter section for a complete list of Gurobi parameters, including descriptions of their purposes and their minimum, maximum, and default values.

newvalue: The desired new value of the parameter.

void set ( const string& param,
    const string& newvalue )

Set the value of any parameter using strings alone.

Arguments:

param: The name of the parameter being modified. Please consult the parameter section for a complete list of Gurobi parameters, including descriptions of their purposes and their minimum, maximum, and default values.

newvalue: The desired new value of the parameter.

Try Gurobi for Free

Choose the evaluation license that fits you best, and start working with our Expert Team for technical guidance and support.

Evaluation License
Get a free, full-featured license of the Gurobi Optimizer to experience the performance, support, benchmarking and tuning services we provide as part of our product offering.
Academic License
Gurobi supports the teaching and use of optimization within academic institutions. We offer free, full-featured copies of Gurobi for use in class, and for research.
Cloud Trial

Request free trial hours, so you can see how quickly and easily a model can be solved on the cloud.

Search

Gurobi Optimization