一个lingo程序问题：s=@sum(number(I) | I #le# 5:x);表示啥意思?

一个lingo程序问题：s=@sum(number(I) | I #le# 5:x);表示啥意思? LINGO问题 我找了一个程序 自己改了改,运行出错了,求大侠帮忙.model:sets:v/1..20/:a,b,d,n,m; endsetsmin=w;w=@sum(v(i):a*b*d)*t;@sum(v(i):n*d)>=k1;@sum(v(i):n*d)=0.8*m);@for(v(i):n lingo优化程序问题,程序不停止.sets:GC/1..51/:x,y;B/1..30/:m,n;link(GC,B):a,s;endsetsmin=@sum(B(j):m(j));@for(B(j):@sum(GC(i):a(i,j)*y(i)) 这lingo程序错在哪?model:sets:num_i/1..4/;num_j/1..4/;num_t/1..7/;link(num_i,num_j,num_t):x;link2(num_i,num_j):s;endsetsdata:s=1000,800,600,500,1500,800,700,600,1300,900,700,400,1000,800,700,500;enddata[obj]max=@sum(num_i(i):@sum(num_j(j):@sum(n lingo编一个程序 sets:supplyment/s1..s20/:supply;receiver/r1..r20/:demand;links(supplyment,receiver ):cost,v,s;endsetsmin=@sum(links:cost*s);@for(receiver(J):@sum(supplyment(I):v(I,J))=demand(J));@for(supplyment(I):@sum(receiver(J):v(I,J)) lingo程序提示min行语法错误MODEL:SETS:qiefa/1,2,3/:x;bujian/1..4/:L,NEED;shuliang(qiefa,bujian):N;ENDSETSDATA:L=4,5,6,8;NEED=50,10,20,15;yuanliaoL=19;ENDSETSmin=@sum(qiefa:x);@for(bujian(j):@sum(qiefa(i):N(i,j)*X(i))>NEED(j));@for(qiefa(i):@s lingo解一个规划问题程序是model:sets:n=5;task/1..131/:a,p1,p2,p3,x,y;endsetsdata:a=@file(dat.txt);p1=@file(d1.txt);p2=@file(d2.txt);p3=@file(d3.txt);enddatamin=@sum(task:a*x*y+(131-i)*0.4+0.8*((33292*x*y-a*x*y)*(33292*x*y-a*x*y)*p1+(49975*x* lingo的运行错误问题我的lingo程序模型是这样：MODEL:SETS:QUARTERS/1..1000/:X;ENDSETSMIN = @SUM(QUARTERS(i)|@MOD(i,2)#EQ#0:X(i);) - @SUM(QUARTERS(i)|0#NE#@MOD(i,2):X(i););@for(QUARTERS(i):@sum(QUARTERS(i):X(i)) >= 1000 ;);@for(QUARTERS( LINGO程序问题sets:product /1..7/:capcity,value;need /1..14/:demand;link(product,need):cost,number;endsetsmin=@sum(link:cost*number)+@sum(product(i):value(i)*@sum(need(j):number(i,j));@for(link(i,j):@sum(link(i,j):number(i,j)=5171));@for(product(1 猴子吃桃问题.猴子第一天摘下若干个桃子,当即吃了一半,还不过瘾,又多吃了一个,以下是我的程序,#includeint main(){int i,sum=10;for(i=10;i>0;i--)sum=sum*2+1;printf(%d ,sum); return 0;}猴子第一天摘下若干个 下面的lingo程序有什么问题,错误代码是1017,unexpected Jacobian overflow：SETS:PORTE/1,2,3,4,5,6,7,8,9/:INCLUDEA;PORTW/1,2,3,4/:INCLUDEB;PAIREW(PORTE,PORTW):FREIGHT,CARGO,CARGOCOST,B,V,S,L;ENDSETSMAX=@SUM(PAIREW(I,J):FREIGHT(I,J)*CARGO(I lingo最短路问题MODEL:sets:nodes/s,1,2,3,4,t/;links(nodes,nodes)/s,1 s,2 1,2 1,3 2,4 3,2 3,t 4,3 4,t/:cap,x;endsetsdata:cap= 8 7 5 9 9 2 5 6 10;enddatamin=@sum(links:cap*x);N=@size(nodes);@for(nodes(i) | i #ne# @index(s) #and# i #ne# N:@sum(links 程序改错：下列程序计算SUM的值,调试该程序,使之能正确地计算SUM.main( ){ int t,i,n,s；scanf(%d,&n)；for(i=1；i lingo求和问题,从1到n,其中n是未知的（是要优化求解的一个未知量）,求和xi（xi有一个关于i的表达式,比如xi=(i+3)^2,i从1到n),求问这样的lingo程序应该怎么写呢? 请高手帮忙看下这个lingo程序哪里出错了?modelsets:myset/1..8/:T,S;myset1/1..3/:L;link(myset1,myset):x;endsetsdata:T=25 36 32 15 31 28 22 12S=5 7 5 4 6 5 5 3enddatamin=0.66*Q^0.51*20+@sum(myset(j):myset1(i):(@sum(x(i,j))));@sum(myset1(i) 这是LINGO程序,有点急,sets:sk/1..30/:s,x;si/1..30/:a;sik(si,sk):c,l;endsetsmin=@sum(sk:2s*x)+@sum(sik:a);@for(si(i):@sum(sk(i):l(j,i))=1);@for(sik(i,j):l(i,j) 用C++编写程序：计算并输出∑（2n+1)超过1000的第一个n值（n从1开始）.#includestdio.hvoid main(){ int n=1,sum=0;for(;;n++) {sum=sum+_____;if(________)break;}printf(n=%d,sum=%d ,n,sum);}补充空白处 lingo 程序sets:k/1..5/;z/1..8/:m;link(k,z):a,c,l,t,s;endsetsmin=a(i,j);@sum(z(j):a(4,j)*c(4,j))