论坛 › LINDO\LINGO论坛 › 大神。求教。为什么会出现Index variables may not share names with other variab...

zx1009294 发表于 2013-5-17 19:36

大神。求教。为什么会出现Index variables may not share names with other variab...

model:
sets:
var/1..12/:a;
obj(var,var):x;
endsets
data:
a=2.8 3.2 1.2 4 2.7 0.9 2.5 3.3 1.7 2.5 3.6 4.7;
enddata
min=@sum(var(i):@sum(obj(k,l)|k#le#i:x(k,j)*a(j)));
@for(obj:@bin(x));
@for(var(i):@sum(var(j):x(i,j))=1);
@for(var(j):@sum(var(i):x(i,j))=1);
end

zx1009294 发表于 2013-5-17 19:36

min=@sum(var(i):@sum(obj(k,l)|k#le#i:x(k,j)*a(j)));

zx1009294 发表于 2013-5-17 19:37

那个表情是：加上@

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