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This commit is contained in:
Alinson S. Xavier
2022-06-01 11:40:48 -05:00
parent 3fd252659e
commit 6cc253a903
15 changed files with 591 additions and 275 deletions
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4
miplearn/problems/stab.py
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@@ -114,8 +114,8 @@ def build_stab_model(data: MaxWeightStableSetData) -> pe.ConcreteModel:
nodes = list(data.graph.nodes)
model.x = pe.Var(nodes, domain=pe.Binary)
model.OBJ = pe.Objective(
expr=sum(model.x[v] * data.weights[v] for v in nodes),
sense=pe.maximize,
expr=sum(-model.x[v] * data.weights[v] for v in nodes),
sense=pe.minimize,
)
model.clique_eqs = pe.ConstraintList()
for clique in nx.find_cliques(data.graph):