求大神给看看下面的lingoMODEL:Title Local Problem:sets:demand/1..6/:a,b,d;supply/1..2/:x,y,e;link(demand,supply):c;endsetsdata:a=1.25,8.75,0.5,5.75,3,7.25;b=1.25,0.75,4.75,5,6.5,7.75;d=3,5,4,7,6,11;e=20,20;enddatainit:x,y=5,1,2,7;endinit【OB

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求大神给看看下面的lingo
MODEL:
Title Local Problem:
sets:
demand/1..6/:a,b,d;
supply/1..2/:x,y,e;
link(demand,supply):c;
endsets
data:
a=1.25,8.75,0.5,5.75,3,7.25;
b=1.25,0.75,4.75,5,6.5,7.75;
d=3,5,4,7,6,11;e=20,20;
enddata
init:
x,y=5,1,2,7;
endinit
【OBJ】min=@sum(link(i,j):c(i,j)*(（x(j)-a(i)）^2+（y(j)-b(i))^2)^(1/2));
@for(demand(i):[DEMAND_CON]@sum(supply(j):c(i,j)

符号必须用英文状态下的,别用中文的.
MODEL:
Title Local Problem;
sets:
demand/1..6/:a,b,d;
supply/1..2/:x,y,e;
link(demand,supply):c;
endsets
data:
a=1.25,8.75,0.5,5.75,3,7.25;
b=1.25,0.75,4.75,5,6.5,7.75;
d=3,5,4,7,6,11;e=20,20;
enddata
init:
x,y=5,1,2,7;
endinit
[OBJ]min=@sum(link(i,j):c(i,j)*((x(j)-a(i))^2+(y(j)-b(i))^2)^(1/2));
@for(demand(i):[DEMAND_CON]@sum(supply(j):c(i,j))

求大神给看看下面的lingoMODEL:Title Local Problem:sets:demand/1..6/:a,b,d;supply/1..2/:x,y,e;link(demand,supply):c;endsetsdata:a=1.25,8.75,0.5,5.75,3,7.25;b=1.25,0.75,4.75,5,6.5,7.75;d=3,5,4,7,6,11;e=20,20;enddatainit:x,y=5,1,2,7;endinit【OB 求大神棒棒忙,给看看吧求 求大神给看看是什么玉! 求数学大神给看看当x趋于0+求(cotx)^1/lnx的极限 用换元积分法写一个详细的步骤给我看看求大神 求魔方大神帮我看看 这个怎么把黄色的一面给拼出来 求大神看看卷子上的题, 求大神帮忙看看这一幅图的寓意? 求数学大神帮忙看看这四题对吗,给好评^ 求大神给看看这是塑料的哪种材质请大神帮忙看看这叫什么材质,是不是PVC呀! 初中化学,求大神看看 求大神看看, 哪位懂英文的懂煤炭指标的大神给看看这是什么煤种?就是这两种煤,大家给看看,跪求,在线等 大神来看看给赞! 有大神能给看看是紫檀的吗? 求大神下这张图的下面那些字和字母给PS掉 考研电路问题,麻烦各位大神看看下面第二题怎么做,求详细过程 求大神看看啥意思