Abhishek Solomon
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Abhishek Solomonさんがコメントを作成しました:
Thank you Jaromil. I do have constraints in the BIP model, i have just shown the objective function above. The constraints used are: for i in facilities: for j in customers: m.addConstr(S...
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Abhishek Solomonさんが投稿を作成しました:
Facility Location Problem - Standard BIP vs QUBO
ユーザーの入力を待っています。Hello, I'm fairly new to the optimization world, and working on a research project that involves comparison of solving times for the standard uncapacitated facility location problem, using the foll...
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Abhishek Solomonさんが投稿を作成しました:
"string index out of range" error within quicksum
ユーザーの入力を待っています。Hello, The below line of code gives me an "IndexError: string index out of range" error: for j in def_attributes: m.addConstr(gp.quicksum(PlayerSelect[i]*current_fitness[i]*PlayerAttributes[i,j]...
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Abhishek Solomonさんがコメントを作成しました:
Thank you Jaromil for your response, really appreciated! I'm working on a school project where a quadratic objective function is considered out of scope and hence needs to be linearized. Any help w...
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Abhishek Solomonさんが投稿を作成しました:
Linearizing a quadratic objective function
回答済みHello, I'm fairly new to optimization and Gurobi. I have the following objective function to be mazimized: Xi and Xz are both decision variables. How do i linearize this? Thanks, Abhishek
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Abhishek Solomonさんがコメントを作成しました:
Thanks a lot Dan. I notice that your suggestion also has 3 if statements. Just out of curiosity, will this be more efficient than how I've done it? Or is it just a way to avoid creating new variables?
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Abhishek Solomonさんがコメントを作成しました:
Hello Dan, Firstly, thank you for the elaborate reply. I think i posted the definitions of a and b incorrectly, here's the correct snippet: for j in produce: for t in periods: if t-harves...
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Abhishek Solomonさんが投稿を作成しました:
Conditional constraints
回答済みHello, I'm fairly new to code/Gurobi - I'm trying to write the following constraint, and it does not look optimal to me. Is there a way of writing the following without having to use a, b and c? fo...
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Abhishek Solomonさんがコメントを作成しました:
Thank you Eli Towle ! Yes, yieldpersqft is fixed data. I will try this and come back if there's any other issue.
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Abhishek Solomonさんが投稿を作成しました:
Help with a conditional constraint!
回答済みHello, I have the following code block: for i in locations: for o in facilityoptions: m.addConstr(gp.quicksum(ProductionQty[p,i,o]/yieldpersqft[p,o] for p in setproduce) <...