GRBModel.addVar()

Add a single decision variable to a model.

GRBVar addVar ( double lb,
    double ub,
    double obj,
    char type,
    String name )

GRBVar addVar ( double lb,
    double ub,
    double obj,
    char type,
    GRBConstr[] constrs,
    double[] coeffs,
    String name )

GRBVar addVar ( double lb,
    double ub,
    double obj,
    char type,
    GRBColumn col,
    String name )