José Rodrigues
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Latest activity by José Rodrigues
José Rodrigues commented,
Okay, that helped, I don't know why but in the remote machine there were some excel cells being read as blanks and that made one of the costs be Nan. Thank you so much for your help!

José Rodrigues commented,
Hi Jaromił, Yes, I am retrieving data from quite a few csv files, I have checked that the scripts that retrieve the data are working just fine, so that might not be the problem. The gurobi version ...

José Rodrigues created a post,
GurobiError: Constant is Nan
AnsweredHi, I'm trying to run my optimization in a remote computer as it is faster and has more RAM. However, when I try to run it, it prompts the following error as it can be seen in the image. Do you kn...

José Rodrigues commented,
Hi, Yes, it worked! Thank you.

José Rodrigues commented,
Dear Jaromił, Thank you for your fast reply. I've done exatcly as you mentioned and this error was prompted: TypeError: unsupported operand type(s) for *: 'int' and 'generator' Regarding the last ...

José Rodrigues commented,
Dear Matthias, Oh, that's perfect then! I described the wrong problem for the title of the post. I have another question, this time regarding an if constraint. I have two binary variables, both w...

José Rodrigues commented,
Hello Matthias, Thank you for your brief reply. In that case, I will add a constraint that makes every possible production facility work at least 6132 hours? However, the model is supposed to choo...

José Rodrigues created a post,
if constraint with sums
AnsweredHi, I've checked some posts about if constraints, however, I haven't been able to solve my problem. I have a binary variable called X, with two sets of indices p and t. p represents if there is a ...

José Rodrigues created a post,
problem in modelling constraints
AnsweredHello, I'm facing some difficulties in modelling a few constraints. I will provide a brief explanation of the variables. I have 4 variables, 2 binary and 2 continuous. and 4 sets of indices, d (nu...

José Rodrigues commented,
Hi Simon, Thank you so much for your reply, it is exactly what I was looking for. Nevertheless, there is something still troubling me. I have another variable with the same i and j, HP which is a...