lingo怎么用FOR循环

Question

实际双重循环
for(i=1;i<8;i++)
for(i=j;j<8;j++);
还有for(i=2;i<8;i++);

Answer 1

sets:
r/1..8/:d;
c/1..8/:;
link(r,c):x,y;
endsets
@for(r(i):@for(c(j):x(i,j)<=y(i,j)));!可用@for(link:x<=y)代替,此处举例;
@for(r(i)|i#ge#2:d(i)>=3)