Warehousing Sample Problem
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Questions Transportation cost = 0.5 / km (linear)
Demand is divisible
Loc 1 2 3 4 5 6 7
1 24 16 35 20 31 40 492 50 30 27 12 11 34 46
3 67 38 25 26 7 16 18
4 74 63 45 41 25 7 9
Location
1 2 3 4 5 6 7
1 0 0 0 0 0 0 0
2 11 0 12 9 0 13 0
3 0 0 0 0 0 0 0
4 0 6 0 0 12 18 8
11 6 12 9 12 31 8
Demand Dj 11 6 12 9 12 31 8
1 2 3 4 5 6 7
1 0 0 0 0 0 0 0
2 0 6 6 7 4 18 2
3 0 0 0 0 0 0 0
4 11 0 6 2 8 13 6
Customer No
Customer (distance from location) km
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8 Loc 1 2 3 4 5 6
61 1 12.0 8.0 17.5 10.0 15.5 20.055 2 25.0 15.0 13.5 6.0 5.5 17.0
25 3 33.5 19.0 12.5 13.0 3.5 8.0
13 4 37.0 31.5 22.5 20.5 12.5 3.5
8 NeededCap
acity
MaxCapacity
Facilityopen
(Yi)
FixedCost(f
i)
Costperunit
Capacity
0 0 55 0 250 2.3
0 45 45 1 220 1.7
0 0 40 0 200 2.2
8 52 60 1 180 1.9
8
8
8 1 2 3
0 214.5 1 0 0 0
2 400 2 11 0 12
0 175.3 3 0 0 0
6 789.8 4 0 6 0
Transportation cost (Cij)
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7 8 1 2 3 4 5
24.5 30.5 1 0 0 0 0 023.0 27.5 2 1 0 1 1 0
9.0 12.5 3 0 0 0 0 0
4.5 6.5 4 0 1 0 0 1
Transportation cost 120
Fixed Cost 400
Variable Cost 175.3
Objective function 695.3
4 5 6 7 8
0 0 0 0 0 120
9 0 13 0 0 400
0 0 0 0 0 175.3
0 12 18 8 8 695.3
Binary function (is any shipment from I t
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Ny 1 2 3 4 51 68 68 56 56 44
2 64 64 52 52 40
3 60 60 48 48 36
52 40 28
4 60 60 48 48 36
5 64 64 52 52 40
6 68 68 56 56 44
Nx Ny Distance(reach
andgoout
Timetoreach
andgoout
Timetopick
placeatlevel
0andgoout
Timetopick
placeatlevel
1andgoout
Timetopick
placeatlevel
2andgoout
1 1 68 24.48 29.48 39.48 49.481 2 64 23.04 28.04 38.04 48.04
1 3 60 21.6 26.6 36.6 46.6
1 4 60 21.6 26.6 36.6 46.6
1 5 64 23.04 28.04 38.04 48.04
1 6 68 24.48 29.48 39.48 49.48
2 1 68 24.48 29.48 39.48 49.48
2 2 64 23.04 28.04 38.04 48.04
2 3 60 21.6 26.6 36.6 46.6
2 4 60 21.6 26.6 36.6 46.6
2 5 64 23.04 28.04 38.04 48.04
2 6 68 24.48 29.48 39.48 49.48
3 1 56 20.16 25.16 35.16 45.16
3 2 52 18.72 23.72 33.72 43.72
3 3 48 17.28 22.28 32.28 42.28
3 4 48 17.28 22.28 32.28 42.28
3 5 52 18.72 23.72 33.72 43.72
3 6 56 20.16 25.16 35.16 45.16
4 1 56 20.16 25.16 35.16 45.16
4 2 52 18.72 23.72 33.72 43.72
4 3 48 17.28 22.28 32.28 42.28
4 4 48 17.28 22.28 32.28 42.284 5 52 18.72 23.72 33.72 43.72
4 6 56 20.16 25.16 35.16 45.16
5 1 44 15.84 20.84 30.84 40.84
5 2 40 14.4 19.4 29.4 39.4
5 3 36 12.96 17.96 27.96 37.96
5 4 36 12.96 17.96 27.96 37.96
5 5 40 14.4 19.4 29.4 39.4
5 6 44 15.84 20.84 30.84 40.84
Nx
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6 1 44 15.84 20.84 30.84 40.84
6 2 40 14.4 19.4 29.4 39.4
6 3 36 12.96 17.96 27.96 37.96
6 4 36 12.96 17.96 27.96 37.96
6 5 40 14.4 19.4 29.4 39.4
6 6 44 15.84 20.84 30.84 40.84
7 1 22 7.92 12.92 22.92 32.927 2 18 6.48 11.48 21.48 31.48
7 3 18 6.48 11.48 21.48 31.48
7 4 18 6.48 11.48 21.48 31.48
7 5 18 6.48 11.48 21.48 31.48
7 6 22 7.92 12.92 22.92 32.92
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6 7
44 22 Speed =
40 18 In =
36 18 Prod mj
1 10
14 2 25
36 18 3 15
40 18 Out 4 5
44 22 5 20
Nx Ny Nz Distance(reach
andgoout
7 2 0 187 3 0 18
7 4 0 18
7 5 0 18
7 1 0 22
7 6 0 22
5 3 0 36
5 4 0 36
6 3 0 36
6 4 0 36
5 2 0 40
5 5 0 40
6 2 0 40
6 5 0 40
5 1 0 44
5 6 0 44
6 1 0 44
6 6 0 44
7 2 1 18
7 3 1 18
7 4 1 18
7 5 1 183 3 0 48
3 4 0 48
4 3 0 48
4 4 0 48
7 1 1 22
7 6 1 22
3 2 0 52
3 5 0 52
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4 2 0 52
4 5 0 52
3 1 0 56
3 6 0 56
4 1 0 56
4 6 0 56
1 3 0 601 4 0 60
2 3 0 60
2 4 0 60
5 3 1 36
5 4 1 36
6 3 1 36
6 4 1 36
1 2 0 64
1 5 0 64
2 2 0 64
2 5 0 64
5 2 1 40
5 5 1 40
6 2 1 40
6 5 1 40
1 1 0 68
1 6 0 68
2 1 0 68
2 6 0 68
5 1 1 44
5 6 1 446 1 1 44
6 6 1 44
7 2 2 18
7 3 2 18
7 4 2 18
7 5 2 18
3 3 1 48
3 4 1 48
4 3 1 48
4 4 1 48
7 1 2 22
7 6 2 22
3 2 1 52
3 5 1 52
4 2 1 52
4 5 1 52
3 1 1 56
3 6 1 56
4 1 1 56
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4 6 1 56
1 3 1 60
1 4 1 60
2 3 1 60
2 4 1 60
5 3 2 36
5 4 2 366 3 2 36
6 4 2 36
1 2 1 64
1 5 1 64
2 2 1 64
2 5 1 64
5 2 2 40
5 5 2 40
6 2 2 40
6 5 2 40
1 1 1 68
1 6 1 68
2 1 1 68
2 6 1 68
5 1 2 44
5 6 2 44
6 1 2 44
6 6 2 44
3 3 2 48
3 4 2 48
4 3 2 484 4 2 48
3 2 2 52
3 5 2 52
4 2 2 52
4 5 2 52
3 1 2 56
3 6 2 56
4 1 2 56
4 6 2 56
1 3 2 60
1 4 2 60
2 3 2 60
2 4 2 60
1 2 2 64
1 5 2 64
2 2 2 64
2 5 2 64
1 1 2 68
1 6 2 68
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2 1 2 68
2 6 2 68
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23.72 2 853.92
23.72 2 853.92
25.16 2 905.76
25.16 2 905.76
25.16 2 905.76
25.16 2 905.76
26.6 2 957.626.6 2 957.6
26.6 2 957.6
26.6 2 957.6
27.96 2 1006.56
27.96 2 1006.56
27.96 2 1006.56
27.96 2 1006.56
28.04 2 1009.44
28.04 2 1009.44
28.04 2 1009.44
28.04 2 1009.44
29.4 2 1058.4
29.4 2 1058.4
29.4 2 1058.4
29.4 2 1058.4
29.48 2 1061.28
29.48 2 1061.28
29.48 2 1061.28
29.48 5 707.52
30.84 5 740.16
30.84 5 740.1630.84 5 740.16
30.84 5 740.16
31.48 5 755.52
31.48 5 755.52
31.48 5 755.52
31.48 5 755.52
32.28 5 774.72
32.28 5 774.72
32.28 5 774.72
32.28 5 774.72
32.92 5 790.08
32.92 5 790.08
33.72 5 809.28
33.72 5 809.28
33.72 5 809.28
33.72 5 809.28
35.16 5 843.84
35.16 D
35.16 D
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35.16 D
36.6 D
36.6 D
36.6 D
36.6 D
37.96 D
37.96 D37.96 D
37.96 D
38.04 D
38.04 D
38.04 D
38.04 D
39.4 D
39.4 D
39.4 D
39.4 D
39.48 D
39.48 D
39.48 D
39.48 D
40.84 D
40.84 D
40.84 D
40.84 D
42.28 D
42.28 D
42.28 D42.28 D
43.72 D
43.72 D
43.72 D
43.72 D
45.16 D
45.16 D
45.16 D
45.16 D
46.6 D
46.6 D
46.6 D
46.6 D
48.04 D
48.04 D
48.04 D
48.04 D
49.48 D
49.48 D
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49.48 D
49.48 D
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0.5
0
1.0
0
1.5
0
2.0
0
2.5
0
3.0
0
0 1 2.15
P1
01.5
P2
2
P3
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3.5
0
4.0
0
4.5
0
5.0
0
5.5
0
6.0
0
6.5
0
7.0
0
7.5
0
6.9
3.5
7
3.6
9
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8.0
0
8.5
0
9.0
0
9.5
0
10.0
0
10.5
0
11.0
0
11.5
0
12.0
0
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17.0
0
17.5
0
18.0
0
18.5
0
19.0
0
19.5
0
20.0
0
20.5
0
21.0
0
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21.5
0
22.0
0
22.5
0
23.0
0
23.5
0
24.0
0
24.5
0
25.0
0
25.5
0
25.4
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26.0
0
26.5
0
27.0
0
27.5
0
28.0
0
28.5
0
29.0
0
29.5
0
30.0
0
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30.5
0
31.0
0
31.5
0
32.0
0
32.5
0
33.0
0
33.5
0
34.0
0
34.5
0
33.2
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39.5
0
40.0
0
40.5
0
41.0
0
41.5
0
42.0
0
42.5
0
43.0
0
43.5
0
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44.0
0
44.5
0
45.0
0
45.5
0
46.0
0
46.5
0
47.0
0
47.5
0
48.0
0
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53.0
0
53.5
0
54.0
0
54.5
0
55.0
0
55.5
0
56.0
0
56.5
0
57.0
0
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57.5
0
58.0
0
58.5
0
59.0
0
59.5
0
60.0
0
60.5
0
61.0
0
61.5
0
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8 9 10 11 12 13 14 Dep
5.25
6.39
2.42
3.44
3.33
4.76
4.84
0.75
4.77 4.04
5.72 1.65 4.97
4.36 7.27 8.77 4.75
3.96 8.63 9.67 3.97 4.71
2.80 6.22 7.60 1.57 3.27 3.24
4.54 1.37 3.01 6.23 8.12 5.37 3.90
0.75 4.04 4.97 4.75 4.71 3.24 3.90
8 9 10 11 12 13 14 Dep
5.25
6.39
2.42
3.44
3.33
4.76
e Matrix
Matrix
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Distance Load
11.89 2012.82 27
12.83 28
14.4 17
1.5 16
SUM LOAD 108
Distance Load Constraint violated, if add next cus
15.45 29 capacity, distance
16.46 12 distance
6.89 23 capacity
12.82 27 capacity
13.86 17 no more customers
SUM LOAD 108
9.7
Clarke-Wright saving
Route
D-1-7-14-9-D
Route
D-12-2-D
D-7-1-11-13-D
D-6-4-3-5-D
Sweep heuristics
D-10-9-14-D
D-8-D
D-10-5-3-D
D-4-8-D
D-2-12-D
D-6-13-11-D
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omer