[原创]请高手解一道lingod的题

cuilei15 · 发表于 2004-8-21 23:30:36

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>我有一道关于lingo 的程序弄不明白，不知那位高手可以告诉小弟一下。谢谢！！！！！
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align=left>model:
<

align=left>sets:
 warehouses/wh1..wh6/: capacity;
 vendors/v1..v8/: demand;
 links(warehouses,vendors): cost, volume;
endsets
!目标函数;
 min=@sum(links: cost*volume);
!需求约束;
 @for(vendors(J):
 @sum(warehouses(I): volume(I,J))=demand(J));
!产量约束;
 @for(warehouses(I):
 @sum(vendors(J): volume(I,J))<capacity(I)); 
!这里是数据;
data:
 capacity=60 55 51 43 41 52;
 demand=35 37 22 32 41 32 43 38;
 cost=6 2 6 7 4 2 9 5
 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
 
model:
sets:
 warehouses/wh1..wh6/: capacity;
 vendors/v1..v8/: demand;
 links(warehouses,vendors): cost, volume;
endsets
!目标函数;
 min=@sum(links: cost*volume);
!需求约束;
 @for(vendors(J):
 @sum(warehouses(I): volume(I,J))=demand(J));
!产量约束;
 @for(warehouses(I):
 @sum(vendors(J): volume(I,J))<capacity(I)); 运行时计算机提示error code :11<IMG src="http://www.shumo.com/bbs/Skins/Default/emot/em06.gif">
!这里是数据;
data:
 capacity=60 55 51 43 41 52;
 demand=35 37 22 32 41 32 43 38;
 cost=6 2 6 7 4 2 9 5
 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
 
[em06]

wanbaocheng · 发表于 2004-8-22 00:59:16

<

align=left>model: <

><

>sets: warehouses/wh1..wh6/: capacity; vendors/v1..v8/: demand; links(warehouses,vendors): cost, volume; endsets !目标函数; min=@sum(links: cost*volume); !需求约束; @for(vendors(J): @sum(warehouses(I): volume(I,J))=demand(J)); !产量约束; @for(warehouses(I): @sum(vendors(J): volume(I,J))<capacity(I)); !这里是数据; data: capacity=60 55 51 43 41 52; demand=35 37 22 32 41 32 43 38; cost=6 2 6 7 4 2 9 5 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你的程序没错呀，我在LINGO8.0上试了。部分结果如下：Global optimal solution found at iteration: 0
 Objective value: 664.0000
 Variable Value Reduced Cost
 CAPACITY( WH1) 60.00000 0.000000
 CAPACITY( WH2) 55.00000 0.000000
 CAPACITY( WH3) 51.00000 0.000000
 CAPACITY( WH4) 43.00000 0.000000
 CAPACITY( WH5) 41.00000 0.000000
 CAPACITY( WH6) 52.00000 0.000000
 DEMAND( V1) 35.00000 0.000000
 DEMAND( V2) 37.00000 0.000000
 DEMAND( V3) 22.00000 0.000000
 DEMAND( V4) 32.00000 0.000000
 DEMAND( V5) 41.00000 0.000000
 DEMAND( V6) 32.00000 0.000000
 DEMAND( V7) 43.00000 0.000000
 DEMAND( V8) 38.00000 0.000000
 COST( WH1, V1) 6.000000 0.000000
 COST( WH1, V2) 2.000000 0.000000
 COST( WH1, V3) 6.000000 0.000000
 COST( WH1, V4) 7.000000 0.000000
 COST( WH1, V5) 4.000000 0.000000
 COST( WH1, V6) 2.000000 0.000000
 COST( WH1, V7) 9.000000 0.000000
 COST( WH1, V8) 5.000000 0.000000
 COST( WH2, V1) 4.000000 0.000000
 COST( WH2, V2) 9.000000 0.000000
 COST( WH2, V3) 5.000000 0.000000
 COST( WH2, V4) 3.000000 0.000000
 COST( WH2, V5) 8.000000 0.000000
 COST( WH2, V6) 5.000000 0.000000
 COST( WH2, V7) 8.000000 0.000000
 COST( WH2, V8) 2.000000 0.000000
 COST( WH3, V1) 5.000000 0.000000
 COST( WH3, V2) 2.000000 0.000000
 COST( WH3, V3) 1.000000 0.000000
 COST( WH3, V4) 9.000000 0.000000
 COST( WH3, V5) 7.000000 0.000000
 COST( WH3, V6) 4.000000 0.000000
 COST( WH3, V7) 3.000000 0.000000
 COST( WH3, V8) 3.000000 0.000000
 COST( WH4, V1) 7.000000 0.000000
 COST( WH4, V2) 6.000000 0.000000
 COST( WH4, V3) 7.000000 0.000000
 COST( WH4, V4) 3.000000 0.000000
 COST( WH4, V5) 9.000000 0.000000
 COST( WH4, V6) 2.000000 0.000000
 COST( WH4, V7) 7.000000 0.000000
 COST( WH4, V8) 1.000000 0.000000
 COST( WH5, V1) 2.000000 0.000000
 COST( WH5, V2) 3.000000 0.000000
 COST( WH5, V3) 9.000000 0.000000
 COST( WH5, V4) 5.000000 0.000000
 COST( WH5, V5) 7.000000 0.000000
 COST( WH5, V6) 2.000000 0.000000
 COST( WH5, V7) 6.000000 0.000000
 COST( WH5, V8) 5.000000 0.000000
 COST( WH6, V1) 5.000000 0.000000
 COST( WH6, V2) 5.000000 0.000000
 COST( WH6, V3) 2.000000 0.000000
 COST( WH6, V4) 2.000000 0.000000
 COST( WH6, V5) 8.000000 0.000000
 COST( WH6, V6) 1.000000 0.000000
 COST( WH6, V7) 4.000000 0.000000
 COST( WH6, V8) 3.000000 0.000000
 VOLUME( WH1, V1) 0.000000 5.000000
 VOLUME( WH1, V2) 19.00000 0.000000
 VOLUME( WH1, V3) 0.000000 5.000000
 VOLUME( WH1, V4) 0.000000 7.000000
 VOLUME( WH1, V5) 41.00000 0.000000
 VOLUME( WH1, V6) 0.000000 2.000000
 VOLUME( WH1, V7) 0.000000 6.000000
 VOLUME( WH1, V8) 0.000000 6.000000
 VOLUME( WH2, V1) 1.000000 0.000000
 VOLUME( WH2, V2) 0.000000 4.000000
 VOLUME( WH2, V3) 0.000000 1.000000
 VOLUME( WH2, V4) 32.00000 0.000000
 VOLUME( WH2, V5) 0.000000 1.000000
 VOLUME( WH2, V6) 0.000000 2.000000
 VOLUME( WH2, V7) 0.000000 2.000000
 VOLUME( WH2, V8) 0.000000 0.000000
 VOLUME( WH3, V1) 0.000000 4.000000
 VOLUME( WH3, V2) 11.00000 0.000000
 VOLUME( WH3, V3) 0.000000 0.000000
 VOLUME( WH3, V4) 0.000000 9.000000
 VOLUME( WH3, V5) 0.000000 3.000000
 VOLUME( WH3, V6) 0.000000 4.000000
 VOLUME( WH3, V7) 40.00000 0.000000
 VOLUME( WH3, V8) 0.000000 4.000000
 VOLUME( WH4, V1) 0.000000 4.000000
 VOLUME( WH4, V2) 0.000000 2.000000
 VOLUME( WH4, V3) 0.000000 4.000000
 VOLUME( WH4, V4) 0.000000 1.000000
 VOLUME( WH4, V5) 0.000000 3.000000
 VOLUME( WH4, V6) 5.000000 0.000000
 VOLUME( WH4, V7) 0.000000 2.000000
 VOLUME( WH4, V8) 38.00000 0.000000
 VOLUME( WH5, V1) 34.00000 0.000000
 VOLUME( WH5, V2) 7.000000 0.000000
 VOLUME( WH5, V3) 0.000000 7.000000
 VOLUME( WH5, V4) 0.000000 4.000000
 VOLUME( WH5, V5) 0.000000 2.000000
 VOLUME( WH5, V6) 0.000000 1.000000
 VOLUME( WH5, V7) 0.000000 2.000000
 VOLUME( WH5, V8) 0.000000 5.000000
 VOLUME( WH6, V1) 0.000000 3.000000
 VOLUME( WH6, V2) 0.000000 2.000000
 VOLUME( WH6, V3) 22.00000 0.000000
 VOLUME( WH6, V4) 0.000000 1.000000
 VOLUME( WH6, V5) 0.000000 3.000000
 VOLUME( WH6, V6) 27.00000 0.000000
 VOLUME( WH6, V7) 3.000000 0.000000
 VOLUME( WH6, V8) 0.000000 3.000000

163er · 发表于 2004-8-22 04:44:45

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>这好像是lingo自带帮助里的一个程序，应该不会有错吧。

163er · 发表于 2004-8-22 04:57:02

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>代码11是指句法错误

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