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Implement MinWeightVertexCoverPerturber

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Alinson S. Xavier
2025-12-08 15:37:16 -06:00
parent 146fb6b615
commit 485625e07f
3 changed files with 85 additions and 16 deletions
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2
miplearn/solvers/pyomo.py
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@@ -262,7 +262,7 @@ class PyomoModel(AbstractModel):
if len(obj_quad) > 0:
nvars = len(names)
matrix = np.zeros((nvars, nvars))
for ((left_varname, right_varname), coeff) in obj_quad.items():
for (left_varname, right_varname), coeff in obj_quad.items():
assert left_varname in varname_to_idx
assert right_varname in varname_to_idx
left_idx = varname_to_idx[left_varname]