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attempt sequential solve

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This commit is contained in:
Joshua Burman 2022-02-10 20:58:25 -05:00
parent 4b08ad253c
commit 46d3538690
1 changed files with 39 additions and 30 deletions
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69
app/services/loft_service.py
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@ -134,14 +134,13 @@ class LoftService(Base):
upBound=1, upBound=1,
cat='Binary') cat='Binary')
# problem_objection_functions = []
# create problem # create problem
problem = LpProblem("ata-form-generate", LpMinimize) problem = LpProblem("ata-form-generate", LpMinimize)
problem_objective_functions = []
# dummy objective function, because it just makes things easier™ # dummy objective function, because it just makes things easier™
problem += lpSum( # problem += lpSum(
[items[item.id] for item in self.solver_run.items]) # [items[item.id] for item in self.solver_run.items])
# constraints # constraints
# problem += lpSum([items[item.id] # problem += lpSum([items[item.id]
@ -164,47 +163,57 @@ class LoftService(Base):
logging.info('Creating TIF and TCC constraints') logging.info('Creating TIF and TCC constraints')
for target in self.solver_run.objective_function.tif_targets: for target in self.solver_run.objective_function.tif_targets:
# tif = lpSum([item.iif(self.solver_run, target.theta)*items[item.id] tif = lpSum([
# for item in self.solver_run.items])
# problem_objection_functions.append(tif)
problem += lpSum([
bundle.tif(self.solver_run.irt_model, target.theta) * bundle.tif(self.solver_run.irt_model, target.theta) *
bundles[bundle.id] for bundle in self.solver_run.bundles bundles[bundle.id] for bundle in self.solver_run.bundles
] + [ ] + [
item.iif(self.solver_run, target.theta) * items[item.id] item.iif(self.solver_run, target.theta) * items[item.id]
for item in self.solver_run.items for item in self.solver_run.items
]) >= target.value - 5, f'max tif theta ({target.theta}) target value {target.value}' ])
problem += lpSum([ problem_objective_functions.append(tif)
bundle.tif(self.solver_run.irt_model, target.theta) * # problem += lpSum([
bundles[bundle.id] for bundle in self.solver_run.bundles # bundle.tif(self.solver_run.irt_model, target.theta) *
] + [ # bundles[bundle.id] for bundle in self.solver_run.bundles
item.iif(self.solver_run, target.theta) * items[item.id] # ] + [
for item in self.solver_run.items # item.iif(self.solver_run, target.theta) * items[item.id]
]) <= target.value + 5, f'min tif theta ({target.theta}) target value {target.value}' # for item in self.solver_run.items
# ]) >= target.value - 5, f'max tif theta ({target.theta}) target value {target.value}'
# problem += lpSum([
# bundle.tif(self.solver_run.irt_model, target.theta) *
# bundles[bundle.id] for bundle in self.solver_run.bundles
# ] + [
# item.iif(self.solver_run, target.theta) * items[item.id]
# for item in self.solver_run.items
# ]) <= target.value + 5, f'min tif theta ({target.theta}) target value {target.value}'
for target in self.solver_run.objective_function.tcc_targets: for target in self.solver_run.objective_function.tcc_targets:
# tcc = lpSum([item.irf(self.solver_run, target.theta)*items[item.id] tcc = lpSum([
# for item in self.solver_run.items])
# problem_objection_functions.append(tcc)
problem += lpSum([
bundle.trf(self.solver_run.irt_model, target.theta) * bundle.trf(self.solver_run.irt_model, target.theta) *
bundles[bundle.id] for bundle in self.solver_run.bundles bundles[bundle.id] for bundle in self.solver_run.bundles
] + [ ] + [
item.irf(self.solver_run, target.theta) * items[item.id] item.irf(self.solver_run, target.theta) * items[item.id]
for item in self.solver_run.items for item in self.solver_run.items
]) >= target.value - 15, f'max tcc theta ({target.theta}) target value {target.value}' ])
problem += lpSum([ problem_objective_functions.append(tcc)
bundle.trf(self.solver_run.irt_model, target.theta) * # problem += lpSum([
bundles[bundle.id] for bundle in self.solver_run.bundles # bundle.trf(self.solver_run.irt_model, target.theta) *
] + [ # bundles[bundle.id] for bundle in self.solver_run.bundles
item.irf(self.solver_run, target.theta) * items[item.id] # ] + [
for item in self.solver_run.items # item.irf(self.solver_run, target.theta) * items[item.id]
]) <= target.value + 15, f'min tcc theta ({target.theta}) target value {target.value}' # for item in self.solver_run.items
# ]) >= target.value - 15, f'max tcc theta ({target.theta}) target value {target.value}'
# problem += lpSum([
# bundle.trf(self.solver_run.irt_model, target.theta) *
# bundles[bundle.id] for bundle in self.solver_run.bundles
# ] + [
# item.irf(self.solver_run, target.theta) * items[item.id]
# for item in self.solver_run.items
# ]) <= target.value + 15, f'min tcc theta ({target.theta}) target value {target.value}'
# solve problem # solve problem
logging.info('Solving...') logging.info('Solving...')
problem.solve() # problem.solve()
# problem.sequentialSolve(problem_objection_functions) problem.sequentialSolve(problem_objective_functions)
logging.info('Solved...generating form and adding to solution') logging.info('Solved...generating form and adding to solution')
# add return items and create as a form # add return items and create as a form