LINGO快速入门
model:!6发点8收点运输问题;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;enddataend
然后点击工具条上的按钮
即可。
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