Dan Steffy

Hello Saleh, Some information related to your question can be found in our article: How do I use Gurobi on multiple computers for my academic research? However, I have opened a support request to d...

Hello Vigneshwaran,  Thank you for posting your question. You are getting this error because each standard free academic license is associated with a specific HostID. However, rebooting your machin...

Hello Ashrafur, Thank you for contacting us! Since you have a commercial account with us, you qualify for one-on-one support. We converted your post into a ticket in our Help Center and will be in ...

Hello Mohan, Thank you for contacting us! Since you have a commercial account with us, you qualify for one-on-one support. We converted your post into a ticket in our Help Center and will be in con...

Hello Abhishek, What I have suggested is just a way to avoid creating three new variables each time. It simplifies/shortens the code a little bit, but I doubt it would be much faster. Based on your...

Hello Abhishek, OK, thanks for sending the update. One way to avoid defining a, b, and c would be to accumulate the left-hand sides term-by-term, as follows.  for j in produce:    for t in periods...

Hello Abhishek, It looks like the python max function will help you represent this in a more direct way. I am assuming that \(\texttt{harvestleadtime}\) and \(\texttt{purchaseleadtime}\) represent ...

Hello Amal, Sure, this statistic reports the range of the absolute values of the nonzero coefficients. Objective range  [1e+00, 1e+00] So the above range indicates that the objective coefficients ...

Hello Amal, As discussed in the Guidelines for Numerical Issues (see here), Gurobi relies on floating-point numbers for representing data and performing computations. Floating-point numbers are ame...

Hello Amal, The large matrix and RHS coefficients in your model appear to be causing numerical issues within the solution process. The other warnings are symptoms of such numerical issues. Ideally,...