lingo中@sum(m:

lingo中@sum(m: lingo中sum函数怎么用? lingo中FOR和SUM 分别代表什么?,什么时候用for,什么时候用sum ? LINGO软件的基本语法,比如@sum, lingo中运行,出错了,model:sets:hotel/1..10/:n,a;kind/1..6/;links(hotel,kind):x,b,p;endsetsmin=@sum(hotel(i):n(i));@for(kind:@sum(hotel(i):x(i,j))=m*p(i,j));@for(hotel:@sum(kind:x(i,j))=a(i));@for(hotel:n(i)=@if(a(i)#eq#0,0,1));@for(kind|j#ge#1#a lingo中,运行出错,不知怎么改model:sets:hotel/1..10/:n,a;kind/1..6/;links(hotel,kind):x,b,p;endsetsmin=@sum(hotel(i):n(i));@for(kind:@sum(hotel(i):x(i,j))=m*p(i,j));@for(hotel:@sum(kind:x(i,j))=a(i));@for(hotel:n(i)=@if(a(i)#eq#0,0,1));@for(k lingo报错,MODEL:sets:fac/a1..a49/:Fcus/b1..b49/;link(fac,cus):M,X;endsetsdata:F=省略M=省略X=省略enddatamin=@sum(cus(j):@sum (fac(i):X(i,j)*M(j)*z(i)))+@sum(fac(j):f(j)*z(j));@bin(z);@for(fac(j):@sum(cus(i):z(i,j)) lingo目标函数那一行说有improper number of arguments 求指教~感激不尽sets:lunwen/1..150/;lunshu/1..4/;t/1..8/;links/lunwen,lunshu,t/:x;endsetsmin=@sum(lunwen(v):@sum(lunwen(j)|j#gt#v:@sum(lunshu(m):@sum(t(k):x(v,m,k)*x(j,m,k)))));@for(l lingo中出现错误 invalid set name 出现在@sum(yi1)=10中的y那里model:minz=i;@gin(j);j=0;xij=165*yi1+155*yi2+135*yi3+110*yi4;@sum(yi1)=10;@sum(yi2)=50;@sum(yi3)=130;@sum(yi4)=50;xi1>xi2;xi2>xi3;xi3>xi4;xi4>xi5;xi5>xi6;8 lingo中abs函数? lingo中#什么意思 lingo中link是什么? 在LINGO中输入 lingo中sets是什么? lingo中@for函数用错@for(team(k):@sum(link(i,j):x(i,j,k))=10;); 请问这一句错了吗?错哪 lingo 一个集合中所有相等的不同元素按表达式e计算怎样表示?例：限制条件：@sum（link(t):x（i,j,t）*N(t) lingo @for中大于用什么表示 @FOR(product(J)|W(J)>0:SUM(WORKER(I):X(I,J))=1); W(J)>0 要怎样表示 Lingo中约束条件为u(i)的和小于等于200这个语法这样写哪里错了嘛 @for(@sum(shuliang(i):u(i))