> I am using a model coded in GMPL. > The model has a large two-dimensional array of x variables, one > dimension has literal indices that are defined in a set in the data > segment (example is B1) > This model is running and solving so far. > However, I need to initialize a very few of the x variables because of > boundary conditions. > Statement in the model section is similar to > s.t. x[B1,21]=1; > This cannot be done because B1 is not yet defined (from the data section). > How can I initialize some of the variables in the data section, or what > is the sequence of actions that can achieve this.
In the model section all literals should be enclosed in quotes, i.e. s.t. x['B1',21]=1; _______________________________________________ Help-glpk mailing list Help-glpk@gnu.org https://lists.gnu.org/mailman/listinfo/help-glpk
