lingo语句求解析sets: demand/1..6/:a,b,d; supply/1..2/:x,y,e; link(demand,supply):c;endsetsdata:a=1.25,8.75,0.5,5.75,3,7.25;b=1.25,0.75,4.75,5,6.5,7.75;d=3,5,4,7,6,11;e=20,20;enddatainit:x,y=5,1,2,7;endinit[obj]min=@sum(link(i,j):c
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![lingo语句求解析sets: demand/1..6/:a,b,d; supply/1..2/:x,y,e; link(demand,supply):c;endsetsdata:a=1.25,8.75,0.5,5.75,3,7.25;b=1.25,0.75,4.75,5,6.5,7.75;d=3,5,4,7,6,11;e=20,20;enddatainit:x,y=5,1,2,7;endinit[obj]min=@sum(link(i,j):c](/uploads/image/z/5441268-12-8.jpg?t=lingo%E8%AF%AD%E5%8F%A5%E6%B1%82%E8%A7%A3%E6%9E%90sets%3A++++++demand%2F1..6%2F%3Aa%2Cb%2Cd%3B++++++supply%2F1..2%2F%3Ax%2Cy%2Ce%3B++++++link%28demand%2Csupply%29%3Ac%3Bendsetsdata%3Aa%3D1.25%2C8.75%2C0.5%2C5.75%2C3%2C7.25%3Bb%3D1.25%2C0.75%2C4.75%2C5%2C6.5%2C7.75%3Bd%3D3%2C5%2C4%2C7%2C6%2C11%3Be%3D20%2C20%3Benddatainit%3Ax%2Cy%3D5%2C1%2C2%2C7%3Bendinit%5Bobj%5Dmin%3D%40sum%28link%28i%2Cj%29%3Ac)
lingo语句求解析sets: demand/1..6/:a,b,d; supply/1..2/:x,y,e; link(demand,supply):c;endsetsdata:a=1.25,8.75,0.5,5.75,3,7.25;b=1.25,0.75,4.75,5,6.5,7.75;d=3,5,4,7,6,11;e=20,20;enddatainit:x,y=5,1,2,7;endinit[obj]min=@sum(link(i,j):c
lingo语句求解析
sets:
demand/1..6/:a,b,d;
supply/1..2/:x,y,e;
link(demand,supply):c;
endsets
data:
a=1.25,8.75,0.5,5.75,3,7.25;
b=1.25,0.75,4.75,5,6.5,7.75;
d=3,5,4,7,6,11;
e=20,20;
enddata
init:
x,y=5,1,2,7;
endinit
[obj]min=@sum(link(i,j):c(i,j)*(((x(j)-a(i)))^2+(y(j)-b(i))^2)^(1/2));
@for(demand(i):@sum(supply(j):c(i,j))=d(i));
@for(supply(j):@sum(demand(i):c(i,j))
lingo语句求解析sets: demand/1..6/:a,b,d; supply/1..2/:x,y,e; link(demand,supply):c;endsetsdata:a=1.25,8.75,0.5,5.75,3,7.25;b=1.25,0.75,4.75,5,6.5,7.75;d=3,5,4,7,6,11;e=20,20;enddatainit:x,y=5,1,2,7;endinit[obj]min=@sum(link(i,j):c
你最好找个教程看看 @for的基本格式就是
@for(集名(下标): 约束条件); 具体哪个是哪个你自己对应一下我想应该能知道吧 基本格式的问题而已