Lingo(2)：入門篇——集合 vs 矩陣工廠
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
標(biāo)簽：
