可以这样写sets:s1/1..7/:t;s2/1..3/:v;ss(s1,s2):x;endsetsdata:v=0.01 0.05 0.1;enddata@for(s1(i):t(i)=@sum(s2(j):v(j)*x(xi,j)));@for(s2(j):@sum(s1(i):x(i,j))=1);@for(ss:@bin(x));