Tycho Melles
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Activity overview
Latest activity by Tycho Melles-
Tycho Melles commented,
Hi Maliheh, Thank you for your message. I checked the model status and the model is feasible; the problem is not that the solver does not find a solution, but it is impossible that the solution it ...
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Tycho Melles commented,
Hi Maliheh, Sorry for the many messages in a row, but I continued working on this and I believe I solved the issues with the last constraint and have something now that should be working, which I c...
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Tycho Melles commented,
Hi Maliheh, I tried to code what you explained today, but ran into some trouble when trying to formulate the final constraint stating that the storage must be bigger than the peak storage needed (X...
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Tycho Melles commented,
Hi Maliheh, One more question that came up regarding actually coding the constraints in Python (my apologies if this is a trivial question; it's my first time working with Gurobi): 3. If there is a...
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Tycho Melles commented,
Hi Maliheh, Thank you again for your response! I think I understand how to code this now. Just be sure, I have two more questions: 1. First (just to be sure that was clear), the vector 'excesscumul...
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Tycho Melles commented,
Hi Malileh, Thank you for your response! What I'm trying to model is a fuel production facility with storage capacity Xst and 'Ns' ships transporting the produced fuel to the usage location. As I ...
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Tycho Melles commented,
A small addition just to be sure. This is the error I am getting: TypeError: expected a sequence of integers or a single integer, got '<gurobi.LinExpr: 34.73041761101102 <gurobi.Var *Awaiting Model...
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Tycho Melles created a post,
Using variable to index size of array, element of array and range of for loop
AnsweredI am using Gurobi for an optimization model. Within the optimization, I want to use 'Np' and 'interval', which depend on variable Ns, to define the length of an array, set the range of a for loop a...