Functions | Variables
transport6 Namespace Reference

Functions

def get_model_text ()
 
def run_scenario (workspace, checkpoint, io_lock, b)
 

Variables

 ws = GamsWorkspace(system_directory = sys.argv[1])
 
 cp = ws.add_checkpoint()
 
 t6 = ws.add_job_from_string(get_model_text())
 
 checkpoint
 
list bmultlist = [ 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3 ]
 
 io_lock = threading.Lock()
 
dictionary threads = {}
 
 target
 
 run_scenario
 
 args
 

Function Documentation

◆ get_model_text()

def transport6.get_model_text ( )

Definition at line 11 of file transport6.py.

11def get_model_text():
12  return '''
13  Sets
14  i canning plants / seattle, san-diego /
15  j markets / new-york, chicago, topeka / ;
16 
17  Parameters
18 
19  a(i) capacity of plant i in cases
20  / seattle 350
21  san-diego 600 /
22 
23  b(j) demand at market j in cases
24  / new-york 325
25  chicago 300
26  topeka 275 / ;
27 
28  Table d(i,j) distance in thousands of miles
29  new-york chicago topeka
30  seattle 2.5 1.7 1.8
31  san-diego 2.5 1.8 1.4 ;
32 
33  Scalar f freight in dollars per case per thousand miles /90/ ;
34  Scalar bmult demand multiplier /1/;
35 
36  Parameter c(i,j) transport cost in thousands of dollars per case ;
37 
38  c(i,j) = f * d(i,j) / 1000 ;
39 
40  Variables
41  x(i,j) shipment quantities in cases
42  z total transportation costs in thousands of dollars ;
43 
44  Positive Variable x ;
45 
46  Equations
47  cost define objective function
48  supply(i) observe supply limit at plant i
49  demand(j) satisfy demand at market j ;
50 
51  cost .. z =e= sum((i,j), c(i,j)*x(i,j)) ;
52 
53  supply(i) .. sum(j, x(i,j)) =l= a(i) ;
54 
55  demand(j) .. sum(i, x(i,j)) =g= bmult*b(j) ;
56 
57  Model transport /all/ ;
58  Scalar ms 'model status', ss 'solve status'; '''
59 
60 

◆ run_scenario()

def transport6.run_scenario (   workspace,
  checkpoint,
  io_lock,
  b 
)

Definition at line 61 of file transport6.py.

References run_scenario.

Variable Documentation

◆ args

transport6.args

Definition at line 90 of file transport6.py.

◆ bmultlist

list transport6.bmultlist = [ 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3 ]

Definition at line 84 of file transport6.py.

◆ checkpoint

transport6.checkpoint

Definition at line 83 of file transport6.py.

◆ cp

transport6.cp = ws.add_checkpoint()

Definition at line 79 of file transport6.py.

◆ io_lock

transport6.io_lock = threading.Lock()

Definition at line 87 of file transport6.py.

◆ run_scenario

transport6.run_scenario

Definition at line 90 of file transport6.py.

Referenced by run_scenario().

◆ t6

transport6.t6 = ws.add_job_from_string(get_model_text())

Definition at line 82 of file transport6.py.

◆ target

transport6.target

Definition at line 90 of file transport6.py.

◆ threads

dictionary transport6.threads = {}

Definition at line 88 of file transport6.py.

◆ ws

transport6.ws = GamsWorkspace(system_directory = sys.argv[1])

Definition at line 75 of file transport6.py.

warehouse.get_model_text
def get_model_text()
Definition: warehouse.py:16