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独孤求败
TA的每日心情 | 擦汗 2018-4-26 23:29 |
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签到天数: 1502 天 [LV.Master]伴坛终老 - 自我介绍
- 紫薇软剑,三十岁前所用,误伤义士不祥,乃弃之深谷。 重剑无锋,大巧不工。四十岁前恃之横行天下。 四十岁后,不滞于物,草木竹石均可为剑。自此精修,渐进至无剑胜有剑之境。
群组: 计量经济学之性 群组: LINGO |
4#
发表于 2017-6-26 16:07
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略作更改即可运行:- model:
- sets:
- point/1..18/:a,b,y;
- path(point,point):x,d;
- endsets
- min = @sum(path(i,j):a(i)*x(i,j)*d(i,j))/@sum(point(i):a(i)); !目标函数;
- @for(point(i):@for(point(j):x(i,j)<=y(j))); !开放的约束;
- @sum(point(i):a(i))<=@sum(point(i):a(i)*@sum(point(j):x(i,j)));
- @for(path(i,j):@bin(x(i,j)));
- @for(point(j):@bin(y(j))); !0-1变量的设置;
- @for(point(i):@sum(point(j):x(i,j))=1); !每个社区只能去一个地方;
- @sum(point(i):y(i))=4;
- @sum(point(i):y(i))=p;
- data:
- a =60 48 48 45 42 38 30 32 32 30 30 36 25 20 15 20 12 16; !每个社区的人口数量值;
- d= 0, 20, 18, 18, 15, 36, 53, 47, 50, 48, 50, 38, 66, 44, 60, 36, 66, 72
- 20, 0, 26, 38, 28, 56, 66, 60, 30, 28, 30, 30, 58, 52, 80, 56 ,86, 92
- 18, 26, 0, 20, 33, 38, 70, 65, 56, 54, 46, 20, 48, 26, 60, 38, 68, 74
- 18, 38, 20, 0, 18, 18, 50, 50, 68, 66, 66, 40, 68, 46, 42, 18, 48, 54
- 15, 28, 33, 18, 0, 36, 38, 32, 58, 56, 58, 53, 81, 59, 60, 36, 66, 72
- 36, 56, 38, 18, 36, 0, 68, 68, 86, 84, 84, 58, 86, 64, 60, 36, 66, 36
- 53, 66, 70, 50, 38, 68, 0, 70, 96, 94, 96, 90,118, 96, 92, 68, 66, 34
- 47, 60, 65, 50, 32, 68, 70, 0, 36, 88, 90, 85,113, 91, 92, 68, 98,104
- 50, 30, 56, 68, 58, 86, 96, 36, 0, 58, 60, 60, 88, 82,110, 86,116,122
- 48, 28, 54, 66, 56, 84, 94, 88, 58, 0, 30, 56, 62, 80,108, 84,114,120
- 50, 30, 46, 66, 58, 84, 96, 90, 60, 30, 0, 26, 32, 64, 98, 84,114,120
- 38, 30, 20, 40, 53, 58, 90, 85, 60, 56, 26, 0, 28, 46, 80, 58, 88, 94
- 66, 58, 48, 68, 81, 86,118,113, 88, 62, 32, 28, 0, 32, 66, 86,102,122
- 44, 52, 26, 46, 59, 64, 96, 91, 82, 80, 64, 46, 32, 0, 34, 58, 70,100
- 60, 80, 60, 42, 60, 60, 92, 92,110,108, 98, 80, 66, 34, 0, 24, 36, 68
- 36, 56, 38, 18, 36, 36, 68, 68, 86, 84, 84, 58, 86, 58, 24, 0, 30, 62
- 66, 86, 68, 48, 66, 66, 66, 98,116,114,114, 88,102, 70, 36, 30, 0, 32
- 72, 92, 74, 54, 72, 36, 34,104,122,120,120, 94,122,100, 68, 62, 32, 0;!每两点之间的最短路径距离;
- enddata
- end
复制代码 运行结果:复制代码
|
wuqianran
:能我再算一个吗,我发现我下的lingo软件是个盗版,运行结果总出错,谢谢你了
wuqianran
:model:
sets:
point/1..18/:a,b,y;
path(point,point):x,d;
endsets
min = @sum(path(i,j):a(i)*x(i,j)*d(i,j))/@sum(point(i):a(i)); !目标函数;
@for(point(i) for(point(j):x(i,j)<=y(j))); !开放的约束;
@sum(point(i):a(i))<=@sum(point(i):a(i)*@sum(point(j):x(i,j)));
@for(path(i,j) bin(x(i,j)));
@for(point(j) bin(y(j))); !0-1变量的设置;
@for(point(i) sum(point(j):x(i,j))=1); !每个社区只能去一个地方;
@sum(point(i):y(i))=5;
y(2)=1;y(6)=1;y(13)=1;y(15)=1;
@sum(point(i):y(i))=p;
data:
a =60 48 48 45 42 38 30 32 32 30 30 36 25 20 15 20 12 16 !每个社区的人口数量值;
d=0,20,18,18,15,36,53,47,50,48,50,38,66,44,60,36,66,72
20,0,26,38,28,56,66,60,30,28,30,30,58,52,80,56,86,92
18,26,0,20,33,38,70,65,56,54,46,20,48,26,60,38,68,74
18,38,20,0,18,18,50,50,68,66,66,40,68,46,42,18,48,54
15,28,33,18,0,36,38,32,58,56,58,53,81,59,60,36,66,72
36,56,38,18,36,0,68,68,86,84,84,58,86,64,60,36,66,36
53,66,70,50,38,68,0,70,96,94,96,90,118,96,92,68,66,34
47,60,65,50,32,68,70,0,36,88,90,85,113,91,92,68,98,104
50,30,56,68,58,86,96,36,0,58,60,60,88,82,110,86,116,122
48,28,54,66,56,84,94,88,58,0,30,56,62,80,108,84,114,120
50,30,46,66,58,84,96,90,60,30,0,26,32,64,98,84,114,120
38,30,20,40,53,58,90,85,60,56,26,0,28,46,80,58,88,94
66,58,48,68,81,86,118,113,88,62,32,28,0,32,66,86,102,122
44,52,26,46,59,64,96,91,82,80,64,46,32,0,34,58,70,100
60,80,60,42,60,60,92,92,110,108,98,80,66,34,0,24,36,68
36,56,38,18,36,36,68,68,86,84,84,58,86,58,24,0,30,62
66,86,68,48,66,66,66,98,116,114,114,88,102,70,36,30,0,32
72,92,74,54,72,36,34,104,122,120,120,94,122,100,68,62,32,0;!每两点之间的最短路径距离;
enddata
end
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