sets:
level/1 2 3/:p,z,goal;
s_con_num/1..19/:g,dplus,dminus;
source/1..6/:a,c;
sink/1..9/:b;
pure/1..9/:d;
costs(source,sink):e,x;
obj(level,s_con_num)/1 1,1 2,1 3,1 4,1 5,1 6,1 7,1 8,1 9,
3 19,2 10,2 11,2 12,2 13,2 14,2 15,2 16,2 17,2,18/:wplus,wminus;
endsets
data:
ctr=?;
goal=??0;
a=40000 25000 35000 5000 866 6952;
b=1823 10000 40000 28672 431 400 250 10000 6000;
c=99.9 99.9 92 92 67.2 30.29;
d=99.9 99.9 98 97 92 91 91 90 85;
e=158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0
158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0
158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0
158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0
158.665 173.660 102.725 55.617 0 0;
wplus=0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1;
wminus=1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 0;
enddata
min=@sum(level:p*z);
p(ctr)=1;
@for(level(n)|n#ne#ctr:p(n)=0);
@for(level(n):z(n)=@sum(obj(i,j):wplus(i,j)*dplus(j)+
wminus(i,j)*dminus(j)));
@for(source(i):@sum(sink(j):x(i,j))
@for(sink(j):@sum(source(i):x(i,j))+dminus(9+j)-dplus(9+j)=b(j));
@sum(source(i):c*x(i,1))/@sum(source(i):x(i,1))+dminus(1)-dplus(1)=d(1);
@sum(source(i):c*x(i,2))/@sum(source(i):x(i,2))+dminus(2)-dplus(2)=d(2);
@sum(source(i):c*x(i,3))/@sum(source(i):x(i,3))+dminus(3)-dplus(3)=d(3);
@sum(source(i):c*x(i,4))/@sum(source(i):x(i,4))+dminus(4)-dplus(4)=d(4);
@sum(source(i):c*x(i,5))/@sum(source(i):x(i,5))+dminus(5)-dplus(5)=d(5);
@sum(source(i):c*x(i,9))/@sum(source(i):x(i,6))+dminus(6)-dplus(6)=d(6);
@sum(source(i):c*x(i,9))/@sum(source(i):x(i,7))+dminus(7)-dplus(7)=d(7);
@sum(source(i):c*x(i,9))/@sum(source(i):x(i,8))+dminus(8)-dplus(8)=d(8);
@sum(source(i):c*x(i,9))/@sum(source(i):x(i,9))+dminus(9)-dplus(9)=d(9);
@sum(costs:e*x)+dminus(19)-dplus(19)=12618900;
@for(level(n)|n#lt#@size(level):@bnd(0,z(n),goal));
end
用lingo编了一个程序,但是电脑算了一个多小时了,还是没算完,请教哪位高手看一下, |