Brannon King
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Brannon Kingさんの最近のアクティビティ-
Brannon Kingさんがコメントを作成しました:
I didn't realize that there was a global environment! That's fantastic – just what I needed. As for the other two issues, relax not getting env and the flag combination, I cannot reproduce those is...
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Brannon Kingさんがコメントを作成しました:
Also, I want to note that calling the relax() method on a model does not pass the Env to the new model, but it should.
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Brannon Kingさんが投稿を作成しました:
passing Env around (in Python) is annoying
回答済みIn my research I often clone models and change some aspect of them. I pass models into many different functions, and into all of these functions, I must also pass the environment object. Why? 1. Th...
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Brannon Kingさんが投稿を作成しました:
FeasRelax with smart choice of cons to drop
I'm attempting to use the FeasRelax function on a minimization problem. My problem has some constraints that conflict with each other. FeasRelax successfully drops some of the conflictors. However,...
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Brannon Kingさんが投稿を作成しました:
Please support Pypy v7.3+
回答済みI cannot install gurobipy using pip on Pypy (v7.3.15). pip informs me that there are no available gurobipy distributions for Pypy. Please add a distribution for the Pypy interpreter (https://www.py...
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Brannon Kingさんがコメントを作成しました:
This question is old, but so as it has an answer: you can't use numpy functions on scipy sparse objects. The transpose should be sH.T and the dot product should be done via the @ operator: sH @ D .
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Brannon Kingさんが投稿を作成しました:
norm function should take expressions
回答済みI want to be able to code like this: m.setObjective(gp.norm(x-y, 2), minimize); where x is a variable (or list of variables or MVar) and y is a numpy array.
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Brannon Kingさんがコメントを作成しました:
Each row has an associated slack variable. Does the slack variable use the same upper/lower status information? How would I determine this VBasis information for a slack variable, since CBasis does...
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Brannon Kingさんが投稿を作成しました:
What is Gurobi's equivalent to SCIP's getBasisStatus method?
進行中SCIP has SCIProwGetBasisStatus and SCIPcolGetBasisStatus methods. What is Gurobi's equivalent to these methods? This question relates to my larger goal of computing the corner rays at an optimal LP...
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Brannon Kingさんがコメントを作成しました:
Surely Gurobi's nodes know both their parent and their variable that they branched on, no?