lingo中,links（warehouse,vendors）：cost,volume;是什么意思

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• lingo 错误的1017我在model后面打过：model:sets:para/1..3/:y;warehouses/wh1..wh3/:capacity;vendors/v1..v4/:demand;links(warehouses,vendors):cost,volume;endsets目标函数;min=@sum(links:cost*volume)+91y(1)+70y(2)+24y(3);@for(para:@bin(y));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))
• lingo中,links（warehouse,vendors）：cost,volume;是什么意思
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