Question

lingo中变量的累加和怎么表示

Answer 1

最后自己看下教程,集的概念和sum,for函数,以下仅是部分情况示例

sets:

r/1..5/:x;

c/1..5/:;

link(r,c):y;

endsets

s1=@sum(r:x);

s2=@sum(link:y);

@for(r:@sum(c:y)