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GurobiSolver: Fix LHS extraction

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This commit is contained in:
Alinson S. Xavier
2021-08-12 07:52:34 -05:00
parent 2b00cf5b96
commit ccb1a1ed25
1 changed files with 1 additions and 1 deletions
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miplearn/solvers/gurobi.py
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@@ -231,7 +231,7 @@ class GurobiSolver(InternalSolver):
for (i, gp_constr) in enumerate(gp_constrs):
expr = model.getRow(gp_constr)
for j in range(expr.size()):
tmp[i, j] = expr.getCoeff(j)
tmp[i, expr.getVar(j).index] = expr.getCoeff(j)
lhs = tmp.tocoo()
if self._has_lp_solution: