lingo解决钢管问题，错误24，求助
答案:1 悬赏:0
解决时间 2021-03-21 20:40
- 提问者网友：一抹荒凉废墟
- 2021-03-21 02:39
lingo解决钢管问题，错误24，求助
最佳答案
- 二级知识专家网友：旧脸谱
- 2021-03-21 03:32
model:
sets:
cutfa/1..3/:x;
buj/1..4/:L,need;
shul(cutfa,buj):n;
endsets
data:
L=4 5 6 8;
need=50 10 20 15;
enddata
min=@sum(cutfa:x);
@for(buj(j):@sum(cutfa(i):n(i,j)*x(i))>=need(j));
@for(cutfa(i):@sum(buj(j):n(i,j)*L(j))<=19);
@for(cutfa(i):@sum(buj(j):n(i,j)*L(j))>=16);
@for(shul:@gin(n));
@for(cutfa:@gin(x));
end
sets:
cutfa/1..3/:x;
buj/1..4/:L,need;
shul(cutfa,buj):n;
endsets
data:
L=4 5 6 8;
need=50 10 20 15;
enddata
min=@sum(cutfa:x);
@for(buj(j):@sum(cutfa(i):n(i,j)*x(i))>=need(j));
@for(cutfa(i):@sum(buj(j):n(i,j)*L(j))<=19);
@for(cutfa(i):@sum(buj(j):n(i,j)*L(j))>=16);
@for(shul:@gin(n));
@for(cutfa:@gin(x));
end
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