lingo一直长时间的运行,不出结果,怎么办?求大师指导.model:sets:gongdian/1..8/:a;city/1..16/:b;links(gongdian,city):x,y,R,u;endsetsdata:a=223 290 381 289 300 286 330 200;b=110 200 168 101 158 110 110 180 128 104 129 138 130 195 198 14

lingo一直长时间的运行,不出结果,怎么办?求大师指导.model:sets:gongdian/1..8/:a;city/1..16/:b;links(gongdian,city):x,y,R,u;endsetsdata:a=223 290 381 289 300 286 330 200;b=110 200 168 101 158 110 110 180 128 104 129 138 130 195 198 14
lingo一直长时间的运行,不出结果,怎么办?求大师指导.
model:
sets:
gongdian/1..8/:a;
city/1..16/:b;
links(gongdian,city):x,y,R,u;
endsets
data:
a=223 290 381 289 300 286 330 200;
b=110 200 168 101 158 110 110 180 128 104 129 138 130 195 198 140;
R=13 11 11 17 14 14 17 13 16 12 12 16 10 15 19 12
18 14 13 20 16 16 14 11 16 17 20 19 10 15 20 14
17 15 15 15 13 14 12 10 12 20 10 14 14 15 11 15
12 16 15 11 20 17 15 14 11 18 15 18 16 19 10 12
10 11 13 11 10 15 17 15 19 10 12 17 14 13 11 17
20 15 10 18 14 15 15 12 13 11 16 11 20 11 14 13
19 18 13 17 12 10 10 13 18 13 12 15 12 13 10 15
12 19 16 18 20 13 15 10 16 14 20 11 20 16 13 11;
y=7460000 6940000 8490000 6760000 6550000 7190000 7600000 8350000 7580000 7310000 8200000 8160000 7850000 7950000 8500000 7180000
7490000 7330000 7890000 6850000 7350000 7590000 8130000 7580000 7350000 7520000 6950000 7740000 7480000 7860000 8280000 7240000
7100000 7080000 6800000 7560000 6940000 7670000 7230000 8260000 7460000 6880000 7870000 8000000 7730000 8070000 6820000 8120000
6900000 8420000 6630000 6620000 8090000 7260000 7430000 6740000 6730000 6840000 6590000 7930000 7570000 7620000 6930000 7440000
8000000 8010000 7300000 8310000 7990000 6670000 7770000 7930000 6530000 7360000 7300000 7050000 8480000 8110000 7890000 7330000
7970000 7050000 7210000 7370000 8390000 6740000 7790000 7190000 6700000 6870000 6650000 7360000 8420000 7580000 7490000 8450000
6930000 7260000 7290000 7060000 7510000 6770000 7530000 8440000 7620000 8320000 7820000 7380000 7890000 6620000 8010000 7900000
7490000 6810000 6940000 7150000 8070000 6600000 7540000 8020000 8100000 7150000 8450000 8110000 7850000 8310000 8260000 7330000;
enddata
min=@sum(links:((x^2*R*0.0072+y)*u));
@for(gongdian(i):@sum(city(j):x(i,j)*220*24*u(i,j))=a(i));
@for(city(j):@sum(gongdian(i):x(i,j)*220*24*u(i,j)-x(i,j)*x(i,j)*R(i,j)*0.024*u(i,j))

lingo一直长时间的运行,不出结果,怎么办?求大师指导.model:sets:gongdian/1..8/:a;city/1..16/:b;links(gongdian,city):x,y,R,u;endsetsdata:a=223 290 381 289 300 286 330 200;b=110 200 168 101 158 110 110 180 128 104 129 138 130 195 198 14
换个好点的计算机算吧,做好是服务器,我也算了,普通的计算机算不动.