GRBCallback.getNodeRel()

Retrieve node relaxation solution values at the current node. Only available when the where member variable is equal to GRB.CB_MIPNODE, and GRB.CB_MIPNODE_STATUS is equal to GRB.Status.OPTIMAL.

double getNodeRel ( GRBVar v )

    Arguments:

    v: The variable whose value is desired.

    Return value:

    The value of the specified variable in the node relaxation for the current node.

double[] getNodeRel ( GRBVar[] xvars )

    Arguments:

    xvars: The list of variables whose values are desired.

    Return value:

    The values of the specified variables in the node relaxation for the current node.

double[][] getNodeRel ( GRBVar[][] xvars )

    Arguments:

    xvars: The array of variables whose values are desired.

    Return value:

    The values of the specified variables in the node relaxation for the current node.

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