lingo程序错了...model:sets:renshu/1..4/:x,v;xianliang/1..4/:b;link(xianliang,renshu):a;endsetsdata:v=1,1,1,1;b=21,18,16,29;a=1,1,0,0,0,1,1,0,0,0,1,1,1,0,0,1;enddatamin=@sum(renshu:x*v);@for(xianliang(i):@sum(renshu(j):a(i,j)*x(j))
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