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;endsetsmin=@sum(links: length*m);@for(vendors(J):@sum(warehouses(
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![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;endsetsmin=@sum(links: length*m);@for(vendors(J):@sum(warehouses(](/uploads/image/z/4019733-45-3.jpg?t=lingo%E7%A8%8B%E5%BA%8F%E6%B1%82%E8%A7%A3%E5%95%8Amodel%3Asets%3Awarehouses%2Fwh1..wh2%2F%3A+capacity%3Bvendors%2Fv1..v6%2F%3A+demand%3Baxin%2Fa1..a2%2F%3Aa%3Bbxin%2Fb1..b2%2F%3Ab%3Bxgong%2Fx1..x6%2F%3Ax%3Bygond%2Fy1..y6%2F%3Ay%3Blinks%28warehouses%2Cvendors%29%3A+length%2C+m%3Bendsetsmin%3D%40sum%28links%3A+length%2Am%29%3B%40for%28vendors%28J%29%3A%40sum%28warehouses%28)
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;endsetsmin=@sum(links: length*m);@for(vendors(J):@sum(warehouses(
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))
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;endsetsmin=@sum(links: length*m);@for(vendors(J):@sum(warehouses(
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;
endsets
data:
x=1.25 8.75 0.5 5.75 3 7.25;
y=1.25 0.75 4.75 5 6.5 7.25;
capacity=20 20;
demand=3 5 4 7 6 11;
enddata
@for(links(i,j):length(i,j)=@sqrt((x(j)-a(i))^2+(y(j)-b(i))^2));
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))