lingo：subscript out of range on attribute Q

lingo错误subscript out of range on attribute lingo：subscript out of range on attribute Q lingo中出现问题：subscript out of range on attribute, lingo中出现问题：subscript out of range on attribute,请尽量说的详细点 “subscript out of subscript out of range 是什么? lingo中出现subscript out of range on attribute,这程序要怎么改?2004年数学建模电力市场的输电阻塞管理问题 Run-time error'9':subscript out of subscript out of range 什么意思?怎么解决啊? lingo 找错 for循环有问题（在线等）我是初学者,运行时显示错误为：subscript out of range on attribute 似乎说是指标超出范围,不是很懂!model:sets:year/1..5/:n,n1,n2,n3,n4,q4;endsetsdata:n1=122000000000,;n2=2970000000 lingo !subscript out of range on attribute:y. 求助!急求!model:!问题；min=(@sum(x))^2-(@sum(ver))^2;sets:province/pr1..pr3/:pro;vertical/ve1..ve5/:ver;links(province,vertical):x,y; endsetsdata:pro=15 9 5;ver=9 8 10 1 1;y=0.5 0.5 0.5 0.5 0.5 0.3 为什么下面程序用lingo运行时出现subscript out of range on attribute 求解释?model:sets: cities/s,a1,a2,a3,b1,b2,c1,c2,t/:l; roads(cities,cities)/ s,a1 s,a2 s,a3 a1,b1 a1,b2 a2,b1 a2,b2 a3,b1 a3,b2 b1,c1 b1,c2 b2,c1 b2,b2 c1,t c2 LINGO运行时,总是提示：subscript out of range on attribute,程序如下model:sets:chang/1..3/:;cangku/1..5/:;wuzi/1..10/:t,c;dian/1..8/:;links1(cangku,wuzi):s,d;links2(dian,wuzi):u;links3(chang,wuzi):y;links4(chang,dian):a,x;endsetsdata:c=80,1 Subscript indices must either be real posit... lingo 约束条件 lingo选址 Subscript indices must either be real positive integers or logicals. Subscript indices must either be real positive integers or logicals.