Question

lingo中for的用法,说我下标越界,就是那个a的值有问题,可就是找不出来

Answer 1

说清楚你要做的东西 我只能给你改成这样 是不是跟你的题目符合没法知道

model:

sets:

gong/1..8/;

shou/1..8/;

links(gong,shou):x,m;

endsets

max=x(1,3)+x(2,4);

@for(gong(I):@for(shou(J):@bnd(0,x(I,J),m(I,J))));

@for(links(I,a)|a#ge#3 #and# a#le#5:x(I,a)=@sum(shou(J):x(a,J)));

data:

m=12 0 0 0 0 0 0 0

0 20 0 0 0 0 0 0

12 0 0 0 2 0 0 0

0 20 6 0 0 0 0 0

0 0 3 7 0 0 0 0

0 0 6 0 5 11 0 0

0 0 0 0 8 0 12 4

0 0 0 9 0 0 0 5 ;

enddata