In this example we show how GAMS Transfer and the Control API work together. More...

Variables
str	transport_gt.GAMS_MODEL

sys	transport_gt.sys_dir = sys.argv[1] if len(sys.argv) > 1 else None

GamsWorkspace	transport_gt.ws = GamsWorkspace(system_directory=sys_dir)

gt	transport_gt.m = gt.Container(system_directory=sys_dir)

gt	transport_gt.i = m.addSet("i", records=["Seattle", "San-Diego"])

gt	transport_gt.j = m.addSet("j", records=["New-York", "Chicago", "Topeka"])

	transport_gt.records

GamsWorkspace	transport_gt.job = ws.add_job_from_string(GAMS_MODEL)

GamsWorkspace	transport_gt.opt = ws.add_options()

	transport_gt.all_model_types

	transport_gt.gdx

GamsWorkspace	transport_gt.cp = ws.add_checkpoint()

	transport_gt.gams_options

	transport_gt.checkpoint

	transport_gt.create_out_db

gt	transport_gt.job_out = gt.Container(os.path.join(ws.working_directory, opt.gdx), sys_dir)

GamsWorkspace	transport_gt.mi = cp.add_modelinstance()

GamsWorkspace	transport_gt.bmult = mi.sync_db.add_parameter("bmult", 0, "demand multiplier")

	transport_gt.value

list	transport_gt.bmultlist = [0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3]

gt	transport_gt.gt_bmult = m.addParameter("bmult", records=1.0)

gt	transport_gt.m_out = gt.Container(mi.sync_db, sys_dir)

GamsWorkspace	transport_gt.x = mi.sync_db.add_variable("x", 2, VarType.Positive)

GamsWorkspace	transport_gt.xup = mi.sync_db.add_parameter("xup", 2, "upper bound on x")

gt	transport_gt.gt_xup = m.addParameter("xup", ["i", "j"])

Detailed Description

In this example we show how GAMS Transfer and the Control API work together.

Essentially, the gams.transfer.Container takes on the role of GamsDatabase. This example combines elements from transport4.py and transport7.py.

Definition in file transport_gt.py.

Variables