數(shù)學(xué)建模之鋼管下料問(wèn)題案例分析-資料下載頁(yè)
2025-04-17 01:45本頁(yè)面
【正文】 ets:model/1..16/:a,b,c,d,r,x,y。endsetsdata:a=0,0,0,0,0,0,1,1,1,1,2,2,2,3,3,4。b=0,0,1,1,2,3,0,0,1,2,0,0,1,0,1,0。c=1,2,0,1,0,0,0,1,1,0,0,1,0,0,0,0。d=2,0,2,1,1,0,3,1,0,0,2,0,1,1,0,0。r=1,3,3,0,2,1,0,2,1,3,1,3,0,2,1,3。enddatamin=z。z1=@sum(model(i):r(i)*x(i))。!余料。z=@sum(model(i):x(i))。!鋼管總數(shù)。@sum(model(i):a(i)*x(i))=50。!4米長(zhǎng)鋼管約束。@sum(model(i):b(i)*x(i))=20。!6米長(zhǎng)鋼管約束。@sum(model(i):c(i)*x(i))=15。!8米長(zhǎng)鋼管約束。@sum(model(i):d(i)*x(i))=10。!5米長(zhǎng)鋼管約束。@for(model(i):x(i)=y(i))。@for(model(i):x(i)=1000*y(i))。@sum(model(i):y(i))=3。@for(model(i):@gin(x(i)))。@for(model(i):@bin(y(i)))。end
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