Victor Miller
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Victor Millerさんの最近のアクティビティ-
Victor Millerさんが投稿を作成しました:
Which heuristic was used
回答済みI see that by looking at Gurobi output that that when a new incumbent is found by heuristic, the line is marked by "H". Is there some way (possibly using call backs) to find out which heuristic wa...
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Victor Millerさんが投稿を作成しました:
Conditional Constraints in Python: better error messages
回答済みIt appears that MVars are not allowed in conditional constraints in the Python interface, but the error messages are rather mystifying. For example import gurobipy as gp model = gp.Model() avars =...
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Victor Millerさんがコメントを作成しました:
Eli, Thanks for the answer. As a related question, is there a convenient way to sum MVars along an axis (as in numpy)?
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Victor Millerさんが投稿を作成しました:
Incompatible Dimensions?
回答済みI'm using Gurobi 9.1.2 in Python. The program below yields the message "Incompatible Dimensions". This looks like a bug to me. How do I add things with scalar variables to results from vector va...
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Victor Millerさんが投稿を作成しました:
Effect of more processors
回答済みI have a rather difficult model with binary variables and a quadratic (blinear) objective. I first tried running Gurobi 9.1.2 on my desktop, which has 4 cores, and it was progressing fairly nicely...
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Victor Millerさんがコメントを作成しました:
Unfortunately, the computer that I use Gurobi and Cplex on is not connected to the internet, so I can't really upload the file. In relation to my other comment, the quadratic program that I genera...
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Victor Millerさんが投稿を作成しました:
Gurobi vs. Cplex -- lower bounds
ユーザーの入力を待っています。I have an lp file (produced by Cplex) for a difficult MIP. I tried running it on both Gurobi and Cplex to compare. In both cases I didn't set any parameters. Cplex almost immediately finds a fai...