we add an objective and a new constraint and
then we solve
"""
from docplex.cp.model import CpoModel
from doopl.factory import *
# Create an OPL model from a .mod file
with create_opl_model(model="zoooplschedulingwithoutobjective.mod") as opl:
# Generate the problem and solve it.
opl.run()
mdl = CpoModel(name='buses')
mdl.import_model("zoooplschedulingwithoutobj.cpo")
vars = mdl.get_all_variables()
bus40 = []
bus30 = []
for i in vars:
print(i.name)
if ("roundTrip" in i.name) and ("500" in i.name):
bus40.append(i)
if ("roundTrip" in i.name) and ("400" in i.name):
bus30.append(i)
#add docplex objective
mdl.minimize(500*sum(mdl.presence_of(b40) for b40 in bus40) +\
we add an objective and a new constraint and
then we solve
"""
from docplex.cp.model import CpoModel
from doopl.factory import *
# Create an OPL model from a .mod file
with create_opl_model(model="zoooplwithoutobjectivecpo.mod") as opl:
# Generate the problem and solve it.
opl.run()
mdl = CpoModel(name='buses')
mdl.import_model("zoowithoutobj.cpo")
vars = mdl.get_all_variables()
for i in vars:
print(i.name)
if (i.name == "nbBus40"):
nbbus40 = i
if (i.name == "nbBus30"):
nbbus30 = i
#add docplex constraint
mdl.add(nbbus40 <= 4)
#add docplex objective
mdl.minimize(nbbus40 * 500 + nbbus30 * 400)
