ANL-CEEESA/MIPLearn
1
0
Fork 0
mirror of https://github.com/ANL-CEEESA/MIPLearn.git synced 2025-12-07 09:58:51 -06:00
Code Issues Packages Projects Releases Wiki Activity

Implement RelaxationComponent

Browse Source
This commit is contained in:
Alinson S. Xavier
2020-10-08 15:03:17 -05:00
parent 3c4045f64b
commit 1b6982ae8d
11 changed files with 411 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
miplearn/components/lazy_static.py
View File

@@ -25,7 +25,7 @@ class StaticLazyConstraintsComponent(Component):
use_two_phase_gap=True,
large_gap=1e-2,
violation_tolerance=-0.5,
):
):
self.threshold = threshold
self.classifier_prototype = classifier
self.classifiers = {}
@@ -116,11 +116,11 @@ class StaticLazyConstraintsComponent(Component):
logger.info("Extracting lazy constraints...")
for cid in solver.internal_solver.get_constraint_ids():
if instance.is_constraint_lazy(cid):
category = instance.get_lazy_constraint_category(cid)
category = instance.get_constraint_category(cid)
if category not in x:
x[category] = []
constraints[category] = []
x[category] += [instance.get_lazy_constraint_features(cid)]
x[category] += [instance.get_constraint_features(cid)]
c = LazyConstraint(cid=cid,
obj=solver.internal_solver.extract_constraint(cid))
constraints[category] += [c]
@@ -147,7 +147,7 @@ class StaticLazyConstraintsComponent(Component):
constraints = {}
for instance in train_instances:
for cid in instance.found_violated_lazy_constraints:
category = instance.get_lazy_constraint_category(cid)
category = instance.get_constraint_category(cid)
if category not in constraints:
constraints[category] = set()
constraints[category].add(cid)
@@ -162,7 +162,7 @@ class StaticLazyConstraintsComponent(Component):
result[category] = []
for instance in train_instances:
for cid in cids:
result[category].append(instance.get_lazy_constraint_features(cid))
result[category].append(instance.get_constraint_features(cid))
return result
def y(self, train_instances):