Try our new documentation site.


GRBgetcharattrlist

int GRBgetcharattrlist ( GRBmodel *model,
    const char *attrname,
    int len,
    int *ind,
    char *values )

Query the values of a character-valued array attribute.

Return value:

A non-zero return value indicates that a problem occurred while querying the attribute. Refer to the Error Code table for a list of possible return values. Details on the error can be obtained by calling GRBgeterrormsg.

Arguments:

model: A loaded optimization model, typically created by routine GRBnewmodel or GRBreadmodel.

attrname: The name of a character-valued array attribute. Available attributes are listed and described in the Attributes section of this document.

len: The number of attribute elements to retrive.

ind: The indices of the desired attribute elements.

values: A pointer to the location where the requested attribute elements should be returned. Note that the result array must be as long as the requested index list.

Example usage:

  int desired[] = {0, 2, 4, 6};
  char vtypes[4];
  error = GRBgetcharattrlist(model, "VType", 4, desired, vtypes);

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