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升级   25% TA的每日心情 | 开心 2014-3-3 12:42 |
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签到天数: 23 天 [LV.4]偶尔看看III
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model:
sets :
prods/1..6/:cprod,cstock,timew,timem,space,istock,fstock;
weeks/1..12/;
links(prods,weeks):produce,store,dem;
endsets
data:
cprod=100 80 110 90 200 140;
cstock=25 28 25 27 10 20 ;
timew=3 3 3 2 4 4;
timem=2 1 4 8 11 9;
space=4 5 5 6 4 9;
istock=50 20 0 15 0 10 ;
fstock=10 10 10 10 10 10;
dem=20 22 18 35 17 19 23 22 29 30 28 32
17 19 23 20 11 10 12 34 21 23 30 12
18 35 17 10 9 21 23 15 10 0 13 17
31 45 24 38 41 20 19 37 28 12 30 37
23 20 23 15 19 22 18 30 28 7 15 10
22 18 20 19 18 35 0 28 12 30 21 23;
enddata
min=@sum(links(i,j):cprod(i)*produce(i,j)+cstock(i)*store(i,j));
@for(links(i,j)|j#eq#1: istock(i)+produce(i,j)-DEM(i,j)=store(i,j));
@for(links(i,j)|j#gt#1: store(i,j-1)+produce(i,j)-DEM(i,j)=store(i,j));
@for(links(i,j)|j#eq#12:store(i,j)>=fstock(i));
@for(weeks(j): @sum(prods(i):timew(i)*produce(i,j))<=390);
@for(weeks(j): @sum(prods(i):timem(i)*produce(i,j))<=850);
@for(weeks(j): @sum(prods(i):space(i)*produce(i,j))<=1000);
end
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zan
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