Michael Mell

Dear all, I am using the Gurobi optimizer as part of a Java application that I am developing. I am currently trying to move to the official Gurobi Maven 10.0.3 package. For this I have added the fo...

I have written an application that uses Gurobi at its core. As part of it functionality, it stores/reloads Gurobi models to/from MPS files. This has been working well so far. However, I am now faci...

GRBModel in the Java API has the update method: GRBModel.update() which according to the documentation is used to (https://www.gurobi.com/documentation/8.1/refman/java_grbmodel_update.html): Proce...

Dear all, my question is how to create binary variable in Gurobi without assigning a cost/objective value to it. I use the Java API method `GRBModel.addVar(...)` to add variables to my model; this ...

Dear all, In my application I use the names of the Gurobi variables and constraints to match them to objects in my program code, which I then use to display them to the user for interaction in a GU...

Dear Matthias Miltenberger I am addressing this post to you directly, since you recently answered a very similar post here, which unfortunately did not help me ... I need to save and load a model a...

TL;DRI need to understand what exactly Gurobi does for the different values of NumericFocus. I would be very grateful for any explanations or pointers to relevant documentation! I hope that underst...

I am working on modifying a code-base that has mostly positive cost values and a negative value for the objective function the order of -5e2 to -1e2. I am modifying the generation of this model in ...