def id_fix_list_fct(scenario_instance):
""" specify tuples used by the fixer.
Args:
s (ConcreteModel): the sizes instance.
Returns:
i0, ik (tuples): one for iter 0 and other for general iterations.
Var id, threshold, nb, lb, ub
The threshold is on the square root of the xbar squared differnce
nb, lb an bu an "no bound", "upper" and "lower" and give the numver
of iterations or None for ik and for i0 anything other than None
or None. In both cases, None indicates don't fix.
"""
import mpisppy.extensions.fixer as fixer
iter0tuples = []
iterktuples = []
for b in sorted(scenario_instance.Buses):
for t in sorted(scenario_instance.TimePeriods):
for g in sorted(scenario_instance.ThermalGeneratorsAtBus[b]):
iter0tuples.append(fixer.Fixer_tuple(scenario_instance.UnitOn[g,t],
th=0.01, nb=None, lb=0, ub=None))
iterktuples.append(fixer.Fixer_tuple(scenario_instance.UnitOn[g,t],
th=0.01, nb=None, lb=6, ub=6))
return iter0tuples, iterktuples
def id_fix_list_fct(s):
""" specify tuples used by the fixer.
Args:
s (ConcreteModel): the sizes instance.
Returns:
i0, ik (tuples): one for iter 0 and other for general iterations.
Var id, threshold, nb, lb, ub
The threshold is on the square root of the xbar squared differnce
nb, lb an bu an "no bound", "upper" and "lower" and give the numver
of iterations or None for ik and for i0 anything other than None
or None. In both cases, None indicates don't fix.
Note:
This is just here to provide an illustration, we don't run long enough.
"""
# iter0tuples = [
# fixer.Fixer_tuple(s.FacilityOpen[i], th=None, nb=None, lb=None, ub=None)
# for i in s.FacilityOpen
# ]
iterktuples = [
fixer.Fixer_tuple(s.FacilityOpen[i], th=0, nb=None, lb=20, ub=20)
for i in s.FacilityOpen
]
return None, iterktuples
def id_fix_list_fct(s):
""" specify tuples used by the fixer.
Args:
s (ConcreteModel): the sizes instance.
Returns:
i0, ik (tuples): one for iter 0 and other for general iterations.
Var id, threshold, nb, lb, ub
The threshold is on the square root of the xbar squared differnce
nb, lb an bu an "no bound", "upper" and "lower" and give the numver
of iterations or None for ik and for i0 anything other than None
or None. In both cases, None indicates don't fix.
"""
import mpisppy.extensions.fixer as fixer
iter0tuples = []
iterktuples = []
for i in s.ProductSizes:
iter0tuples.append(
fixer.Fixer_tuple(s.NumProducedFirstStage[i],
th=0.01,
nb=None,
lb=0,
ub=0))
iterktuples.append(
fixer.Fixer_tuple(s.NumProducedFirstStage[i],
th=0.2,
nb=3,
lb=1,
ub=2))
for j in s.ProductSizes:
if j <= i:
iter0tuples.append(
fixer.Fixer_tuple(s.NumUnitsCutFirstStage[i, j],
th=0.5,
nb=None,
lb=0,
ub=0))
iterktuples.append(
fixer.Fixer_tuple(s.NumUnitsCutFirstStage[i, j],
th=0.2,
nb=3,
lb=1,
ub=2))
return iter0tuples, iterktuples