lingo 程序sets:k/1..5/;z/1..8/:m;link(k z):a c l t s

问题补充：

lingo 程序sets:k/1..5/;z/1..8/:m;link(k,z):a,c,l,t,s;endsetsmin=a(i,j);@sum(z(j):a(4,j)*c(4,j))

答案：

sets:k/1..5/;

z/1..8/:m;

link(k,z):a,c,l,s;

endsets

[email protected](link:a);

@sum(z(j):a(4,j)*c(4,j))