题目

lingo程序求解啊
model:
sets:
warehouses/wh1..wh2/: capacity;
vendors/v1..v6/: demand;
axin/a1..a2/:a;
bxin/b1..b2/:b;
xgong/x1..x6/:x;
ygond/y1..y6/:y;
links(warehouses,vendors): length, m;
endsets
min=@sum(links: length*m);
@for(vendors(J):
@sum(warehouses(I): m(I,J))>=demand(J));
@for(warehouses(I):
@sum(vendors(J): m(I,J))

提问时间：2021-12-20

答案

这样写才对model:sets:warehouses/wh1..wh2/: capacity;vendors/v1..v6/: demand;axin/a1..a2/:a;bxin/b1..b2/:b;xgong/x1..x6/:x;ygond/y1..y6/:y;links(warehouses,vendors): length, m;endsetsdata:x=1.25 8.75 0...