Silke Horn

Yes, I assume the terms with the 0 coefficient at the beginning are there to preserve the variable order. But then Gurobi should repeat all with the non-zero coefficient, not just some. Is this the...

First of all, if a coefficient in the LP file is 0 when it should be 1, then there is something wrong. How did you set the objective? Secondly, there are a lot of variables with coefficient 0 in th...

Yes, you can do that (as long as the model is for non-production use of course). With the size-limited license you can solve models up to 2000 variables, 2000 linear constraints, and 200 variables ...

Hi, The issue is the lower bound of diff1. By default, variables have a lower bound of 0. Your solution x=-1 and y=0 is infeasible since it would require diff1=-1. If allow negative values for for ...

Hi Mohd, We cannot provide this kind of 1-on-1 support here on the community forum, but as a commercial user, you can always create a support request at https://support.gurobi.com, where you will g...

This is not possible. You should fix the variables in the original model. How long does presolve take in your models?

Thanks! Could you also share an example definition for open_warehouse_ver?

I am not sure I understand what you are asking. Maybe looking into the basics of linear programming may help.

Hi Domagoj, There are a few things that can introduce non-determinism into your Gurobi runs: Using non-deterministic data structures: When your model is created with input from external data sourc...

Thank you! I can reproduce this using gurobi_cl. We recommend that objective coefficients be no bigger than 1e4, but this violation is still surprising to me.