关于lingo的运输问题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):

关于lingo的运输问题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):
关于lingo的运输问题
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))

关于lingo的运输问题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):
写完一句话一定要加分号
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))