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transport7.py File Reference

This is the 7th model in a series of examples. More...

Go to the source code of this file.


str transport7.GAMS_MODEL
sys transport7.sys_dir = sys.argv[1] if len(sys.argv) > 1 else None
GamsWorkspace transport7.ws = GamsWorkspace(system_directory=sys_dir)
GamsWorkspace transport7.cp = ws.add_checkpoint()
GamsWorkspace transport7.job = ws.add_job_from_string(GAMS_MODEL)
GamsWorkspace transport7.mi = cp.add_modelinstance()
GamsWorkspace transport7.bmult = mi.sync_db.add_parameter("bmult", 0, "demand multiplier")
GamsWorkspace transport7.opt = ws.add_options()
list transport7.bmult_list = [0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3]
GamsWorkspace transport7.x = mi.sync_db.add_variable("x", 2, VarType.Positive)
GamsWorkspace transport7.xup = mi.sync_db.add_parameter("xup", 2, "upper bound on x")

Detailed Description

This is the 7th model in a series of examples.

Here we show:

  • How to create a GamsModelInstance from a GamsCheckpoint
  • How to modify a parameter of a GamsModelInstance using GamsModifier
  • How to modify a variable of a GamsModelInstance using GamsModifier

Definition in file transport7.py.