Lingo(2)：入门篇——集合 vs 矩阵工厂

model:

sets:

qa/1..6/ : a;

qd/1..8/ : d;

qcx(qa,qd) :c,x;

endsets

data:

a=60,55,51,43,41,52;

d=35,37,22,32,41,32,43,38;

c=6,2,6,7,4,2,5,8

 4,9,5,3,8,5,8,2

 5,2,1,9,7,4,3,3

 7,6,7,3,9,2,7,1

 2,3,9,5,7,2,6,5

 5,5,2,2,8,1,4,3;

enddata

min=@sum(qcx(i,j):c(i,j)*x(i,j));

@for(qa(i) :@sum(qd(j):x(i,j))<=a(i));

@for(qd(j) :@sum(qa(i):x(i,j))=d(j));

end