linggo程序悬赏

fox

model:
sets:
!1发点5收点4种道路类型;
notes/1..6/:cap,dem;
road/1,2,3,4/:p,a,v;
links(notes,notes,road):q,d,vel,x;
endsets
!目标函数;
submodel obj1:
min=z1;
z1=@sum(links:q*d);
endsubmodel
submodel obj2:
max=z2;
z2=@sum(links:vel*x);
endsubmodel
submodel obj3:
min=z3;
z3=@sum(links:p*x);
endsubmodel
!需求约束;
@SUM(notes(i)SUM(notes(j)sum(road(r):x(i,j,r))))=1;!4;
@for(notes(l)EM(l)=@sum(links|i#ne#l(i,l,r))-@sum(links|j#ne#l(j,l,r))); !6;
@for(linkssum(links(i,j,r))>@sum(linksEM(j)*x(i,j,r)));!7;
@for(linkssum(links(i,j,r))<@sum(links:CAP*x(i,j,r)-DEM(i)*x(i,j,r)));!8;
@for(links:VEL(i,j,r)<V(r)*x(i,j,r));!9;
@for(linksr=VEL(i,j,r)*a(r));!10;
@FOR(links(m,l,k)sum(links(m,l,k)|m#ne#l:x(m,l,k))=@sum(links(l,n,k)|n#ne#l:x(1,n,k)));!5;
@bin(x(i,j,r));
@for(links:d(i,j,r)=@rand(seed)*50+10);
@for(links:VEL(i,j,r)=@rand(seed)*120+5);
data:
DEM=0  1000  1002  1300  1200  1007;
CAP=1000;
a=0.25  0.1  0.05  0.15;
V=30  55  80  120;
enddata
end

fox

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fox

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