2
votes
Accepted
Are there ways to assist Gurobi in finding good solutions?
You can use a callback to get each new Gurobi solution $x$ and tell Gurobi about your improved solution $g(x)$. This article illustrates it in the context of the Python API. (It might be a bit, um, ...
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2
votes
Accepted
Casting the truth value of an inequality to a boolean
Equivalently, you want to enforce the contrapositives
\begin{align}
b=0 &\implies d<0 \\
b=1 &\implies d\ge 0
\end{align}
For $d<0$, rewrite as $d\le -\epsilon$ for some positive ...
- 33.6k
1
vote
Are there ways to assist Gurobi in finding good solutions?
I would suggest watching Faster MIPs Using Custom Heuristics by Gurobi's Greg Glockner.
- 175
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