model:
data:
n=48;
enddata
sets:
cities/1,2,3,4,17,18,19,20,38,39,40,41,42,43,44,54,55,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92/: F; !10 个城市;
roads(cities,cities)/
1,69 1,74 1,75 1,78
2,40 2,43 2,44 2,70
3,44 3,55 3,65
4,62 4,63
17,40 17,41 17,42 17,81
18,73 18,80 18,81 18,83
19,77 19,79
20,85 20,86 20,89
38,39 38,41
39,4 39,38 39,40
40,2 40,17 40,39
41,17 41,38 41,92
42,17 42,43
43,2 43,42 43,70 43,72
44,2 44,3 44,67
54,55 54,63
55,3 55,54
62,4 62,85
63,4 63,54 63,64
64,63 64,65 64,76
65,3 65,64 65,66
66,65 66,67 66,76
67,44 67,66 67,68
68,67 68,69 68,75
69,1 69,68 69,70 69,71
70,2 70,43 70,69
71,69 71,72 71,74
72,43 72,71 72,73
73,18 73,72 73,74
74,1 74,71 74,73 74,80
75,1 75,68 75,76
76,64 76,66 76,75 76,77
77,19 77,76 77,78
78,1 78,77 78,79
79,19 79,78 79,80
80,18 80,74 80,79
81,17 81,18 81,82
82,81 82,83 82,90
83,18 83,82 83,84
84,83 84,85 84,89
85,20 85,62 85,84
86,20 86,87 86,88
87,86 87,88 87,92
88,86 88,87 88,89 88,91
89,20 89,84 89,88 89,90
90,82 90,89 90,91
91,88 91,90 91,92
92,41 92,87 92,91/: D, P;
endsets
data:
D=
5.0000 6.2650 9.3005 6.4031
19.1442 8.0000 9.4868 8.6023
11.6297 12.6590 15.2398
3.5000 10.3078
26.8794 8.5000 9.8489 40.2244
19.7231 8.0623 6.7082 5.3852
9.8489 4.4721
4.4721 3.6056 9.4868
3.0000 40.0780
45.6098 3.0000 17.6777
19.1442 26.8794 17.6777
8.5000 40.0780 46.3168
9.8489 8.0623
8.0000 8.0623 7.6158 8.0623
9.4868 11.6297 14.7648
10.0499 24.1868
12.6590 10.0499
3.5000 60.0167
10.3078 24.1868 9.0554
9.0554 5.8310 13.1529
15.2398 5.8310 3.1623
3.1623 4.2426 9.2195
14.7648 4.2426 4.1231
4.1231 7.0711 4.5277
5.0000 7.0711 5.3852 6.4031
8.6023 7.6158 5.3852
6.4031 5.0000 6.1033
8.0623 5.0000 8.0623
19.7231 8.0623 4.0311
6.2650 6.1033 4.0311 16.9189
9.3005 4.5277 3.5355
13.1529 9.2195 3.5355 4.4721
9.8489 4.4721 10.0000
6.4031 10.0000 6.7082
4.4721 6.7082 4.4721
8.0623 16.9189 4.4721
40.2244 6.7082 5.0249
5.0249 5.4083 8.7321
5.3852 5.4083 9.8489
9.8489 7.2801 3.0000
4.4721 60.0167 7.2801
3.6056 11.0454 9.3408
11.0454 4.0311 21.3776
9.3408 4.0311 4.0311 3.0414
9.4868 3.0000 4.0311 3.5355
8.7321 3.5355 4.7434
3.0414 4.7434 20.0250
46.3168 21.3776 20.0250
enddata
F(n)=0;
@for(cities(i) | i #lt# n:
F(i)=@min(roads(i,j): D(i,j)+F(j));
);
@for(roads(i,j):
P(i,j)=@if(F(i) #eq# D(i,j)+F(j),1,0)
);
end
这代码出现错误29,应该怎么改正啊,谢谢指教啊!!!! |