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标题: lingo程序有点小问题，请高手帮忙修改一下。谢谢 [打印本页]

作者: mezhaoyun 时间: 2009-8-24 17:33
标题: lingo程序有点小问题，请高手帮忙修改一下。谢谢
sets:
department/A..E/;
city/1..3/;
benefit(department,city):B,x;
dist(city,city):C;
comm(department,department):D;
matrix(department,city,department,city);
endsets
[email=max=10000*@sum(benefit(i,j):B(i,j)*x(i,j))-@sum(matrix(i,j,k,l)%7Ci#lt#k:C(j,l)*D(i,k)*x(i,j)*x(k,l]max=10000*@sum(benefit(i,j):B(i,j)*x(i,j))-@sum(matrix(i,j,k,l)|i#lt#k:C(j,l)*D(i,k)*x(i,j)*x(k,l[/email]);
@for(department(i):@sum(city(j):x(i,j))=1);
@for(city(j):@sum(department(i):x(i,j))<=3);
@for(benefit,@gin(x));
data:
B=0  10  0
   0  15  20
   0  10  15
   0  20  15
   0  5 15;
C=100  130  90
   130  50 140
   90 140  50;
D=0  0  1000  1500  0
   0  0  1400  1200  0
   1000  1400  0  0  2000
   1500  1200  0  0  700
   0  0  2000 700  0;
enddata

注：在lingo11.0上运行提示for函数应用不当，请高手纠正。多谢。

作者: kongfanqing 时间: 2009-8-24 19:05
@for(benefit,@gin(x));
修改为:@for(benefit:@gin(x));
试试吧

作者: kongfanqing 时间: 2009-8-24 19:05
@for(benefit:@gin(x));

作者: kongfanqing 时间: 2009-8-24 19:06
是冒号,不能用逗号

作者: lyyy 时间: 2009-8-24 19:41
目标函数有点乱，其它如上所说，楼主再看看自己的目标函数，能够运行。

作者: 黑星 时间: 2009-8-25 21:26
model:
sets:
department/A..E/;
city/1..3/;
benefit(department,city):B,x;
dist(city,city):C;
comm(department,department):D;
matrix(department,city,department,city);
endsets
max=10000*@sum(benefit(i,j):B(i,j)*x(i,j))-@sum(matrix(i,j,k,l)|i#lt#k:C(j,l)*D(i,k)*x(i,j)*x(k,l));
@for(department(i):@sum(city(j):x(i,j))=1);
@for(city(j):@sum(department(i):x(i,j))<=3);
@for(benefit:@gin(x));
data:
B=0  10  0
   0  15  20
   0  10  15
   0  20  15
   0  5 15;
C=100  130  90
   130  50 140
   90 140  50;
D=0  0  1000  1500  0
   0  0  1400  1200  0
   1000  1400  0  0  2000
   1500  1200  0  0  700
   0  0  2000 700  0;
enddata
这样不知道满不满足你的要求？

作者: xiaoguo 时间: 2009-9-6 17:11
呵呵，是冒号

作者: xiaoguo 时间: 2009-9-6 17:12
好好加油，比赛了

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