用lingo求解下面程序捞出现error code50（for函数用错），但检查没错误啊，求指点啊！
model:sets:
wh/wh1 wh2 wh3 wh4 wh5 wh6/:capacity;
ven/v1 v2 v3 v4 v5 v6/:demand;
links(wh,ven):cost,volume;
endsets
min=@sum(links(i,j):
cost(i,j)*volume(i,j);
@for(ven(j):
@sum(wh(i):volume(i,j))=demand(j));
@for(wh(i):
@sum(ven(j):volume(i,j))<=capacity(i));
data:
capacity=60 55 51 43 41 52;
demand=35 37 22 32 41 32 43 38;
cost=6 2 6 7 4 2 5 9
4 9 5 3 8 5 8 2
5 2 1 9 7 4 3 3
7 6 7 3 9 2 7 1
2 3 9 5 7 2 6 5
5 5 2 2 8 1 4 3
enddata
end min=@sum(links(i,j):cost(i,j)*volume(i,j)); model:
sets:
wh/1..6/:capacity;
ven/1..8/:demand;
links(wh,ven):cost,volume;
endsets
min=@sum(links(i,j):cost(i,j)*volume(i,j));
@for(ven(j):@sum(wh(i):volume(i,j))=demand(j));
@for(wh(i):@sum(ven(j):volume(i,j))<=capacity(i));
data:
capacity=60 55 51 43 41 52;
demand=35 37 22 32 41 32 43 38;
cost=6 2 6 7 4 2 5 9
4 9 5 3 8 5 8 2
5 2 1 9 7 4 3 3
7 6 7 3 9 2 7 1
2 3 9 5 7 2 6 5
5 5 2 2 8 1 4 3;
enddata
end
Global optimal solution found.
Objective value: 664.0000
Total solver iterations: 15
Variable Value Reduced Cost
CAPACITY( 1) 60.00000 0.000000
CAPACITY( 2) 55.00000 0.000000
CAPACITY( 3) 51.00000 0.000000
CAPACITY( 4) 43.00000 0.000000
CAPACITY( 5) 41.00000 0.000000
CAPACITY( 6) 52.00000 0.000000
DEMAND( 1) 35.00000 0.000000
DEMAND( 2) 37.00000 0.000000
DEMAND( 3) 22.00000 0.000000
DEMAND( 4) 32.00000 0.000000
DEMAND( 5) 41.00000 0.000000
DEMAND( 6) 32.00000 0.000000
DEMAND( 7) 43.00000 0.000000
DEMAND( 8) 38.00000 0.000000
COST( 1, 1) 6.000000 0.000000
COST( 1, 2) 2.000000 0.000000
COST( 1, 3) 6.000000 0.000000
COST( 1, 4) 7.000000 0.000000
COST( 1, 5) 4.000000 0.000000
COST( 1, 6) 2.000000 0.000000
COST( 1, 7) 5.000000 0.000000
COST( 1, 8) 9.000000 0.000000
COST( 2, 1) 4.000000 0.000000
COST( 2, 2) 9.000000 0.000000
COST( 2, 3) 5.000000 0.000000
COST( 2, 4) 3.000000 0.000000
COST( 2, 5) 8.000000 0.000000
COST( 2, 6) 5.000000 0.000000
COST( 2, 7) 8.000000 0.000000
COST( 2, 8) 2.000000 0.000000
COST( 3, 1) 5.000000 0.000000
COST( 3, 2) 2.000000 0.000000
COST( 3, 3) 1.000000 0.000000
COST( 3, 4) 9.000000 0.000000
COST( 3, 5) 7.000000 0.000000
COST( 3, 6) 4.000000 0.000000
COST( 3, 7) 3.000000 0.000000
COST( 3, 8) 3.000000 0.000000
COST( 4, 1) 7.000000 0.000000
COST( 4, 2) 6.000000 0.000000
COST( 4, 3) 7.000000 0.000000
COST( 4, 4) 3.000000 0.000000
COST( 4, 5) 9.000000 0.000000
COST( 4, 6) 2.000000 0.000000
COST( 4, 7) 7.000000 0.000000
COST( 4, 8) 1.000000 0.000000
COST( 5, 1) 2.000000 0.000000
COST( 5, 2) 3.000000 0.000000
COST( 5, 3) 9.000000 0.000000
COST( 5, 4) 5.000000 0.000000
COST( 5, 5) 7.000000 0.000000
COST( 5, 6) 2.000000 0.000000
COST( 5, 7) 6.000000 0.000000
COST( 5, 8) 5.000000 0.000000
COST( 6, 1) 5.000000 0.000000
COST( 6, 2) 5.000000 0.000000
COST( 6, 3) 2.000000 0.000000
COST( 6, 4) 2.000000 0.000000
COST( 6, 5) 8.000000 0.000000
COST( 6, 6) 1.000000 0.000000
COST( 6, 7) 4.000000 0.000000
COST( 6, 8) 3.000000 0.000000
VOLUME( 1, 1) 0.000000 5.000000
VOLUME( 1, 2) 19.00000 0.000000
VOLUME( 1, 3) 0.000000 5.000000
VOLUME( 1, 4) 0.000000 7.000000
VOLUME( 1, 5) 41.00000 0.000000
VOLUME( 1, 6) 0.000000 2.000000
VOLUME( 1, 7) 0.000000 2.000000
VOLUME( 1, 8) 0.000000 10.00000
VOLUME( 2, 1) 1.000000 0.000000
VOLUME( 2, 2) 0.000000 4.000000
VOLUME( 2, 3) 0.000000 1.000000
VOLUME( 2, 4) 32.00000 0.000000
VOLUME( 2, 5) 0.000000 1.000000
VOLUME( 2, 6) 0.000000 2.000000
VOLUME( 2, 7) 0.000000 2.000000
VOLUME( 2, 8) 0.000000 0.000000
VOLUME( 3, 1) 0.000000 4.000000
VOLUME( 3, 2) 11.00000 0.000000
VOLUME( 3, 3) 0.000000 0.000000
VOLUME( 3, 4) 0.000000 9.000000
VOLUME( 3, 5) 0.000000 3.000000
VOLUME( 3, 6) 0.000000 4.000000
VOLUME( 3, 7) 40.00000 0.000000
VOLUME( 3, 8) 0.000000 4.000000
VOLUME( 4, 1) 0.000000 4.000000
VOLUME( 4, 2) 0.000000 2.000000
VOLUME( 4, 3) 0.000000 4.000000
VOLUME( 4, 4) 0.000000 1.000000
VOLUME( 4, 5) 0.000000 3.000000
VOLUME( 4, 6) 5.000000 0.000000
VOLUME( 4, 7) 0.000000 2.000000
VOLUME( 4, 8) 38.00000 0.000000
VOLUME( 5, 1) 34.00000 0.000000
VOLUME( 5, 2) 7.000000 0.000000
VOLUME( 5, 3) 0.000000 7.000000
VOLUME( 5, 4) 0.000000 4.000000
VOLUME( 5, 5) 0.000000 2.000000
VOLUME( 5, 6) 0.000000 1.000000
VOLUME( 5, 7) 0.000000 2.000000
VOLUME( 5, 8) 0.000000 5.000000
VOLUME( 6, 1) 0.000000 3.000000
VOLUME( 6, 2) 0.000000 2.000000
VOLUME( 6, 3) 22.00000 0.000000
VOLUME( 6, 4) 0.000000 1.000000
VOLUME( 6, 5) 0.000000 3.000000
VOLUME( 6, 6) 27.00000 0.000000
VOLUME( 6, 7) 3.000000 0.000000
VOLUME( 6, 8) 0.000000 3.000000
Row Slack or Surplus Dual Price
1 664.0000 -1.000000
2 0.000000 -4.000000
3 0.000000 -5.000000
4 0.000000 -4.000000
5 0.000000 -3.000000
6 0.000000 -7.000000
7 0.000000 -3.000000
8 0.000000 -6.000000
9 0.000000 -2.000000
10 0.000000 3.000000
11 22.00000 0.000000
12 0.000000 3.000000
13 0.000000 1.000000
14 0.000000 2.000000
15 0.000000 2.000000
model:
sets:
wh/1..6/:capacity;
ven/1..8/:demand;
links(wh,ven):cost,volume;
endsets
min=@sum(links(i,j):cost(i,j)*volume(i,j));
@for(ven(j):@sum(wh(i):volume(i,j))=demand(j));
@for(wh(i):@sum(ven(j):volume(i,j))<=capacity(i));
data:
capacity=60 55 51 43 41 52;
demand=35 37 22 32 41 32 43 38;
cost=6 2 6 7 4 2 5 9
4 9 5 3 8 5 8 2
5 2 1 9 7 4 3 3
7 6 7 3 9 2 7 1
2 3 9 5 7 2 6 5
5 5 2 2 8 1 4 3;
enddata
end
目标函数后面少了个括号！ head_@_WOLF 发表于 2012-8-6 15:26 static/image/common/back.gif
min=@sum(links(i,j):cost(i,j)*volume(i,j));
谢啦，改过来啦
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