麻烦帮忙看下程序:运行程序lingo程序,出现unexpected jacobian overflowmodel:sets:i/1,2,3,4/:a,b,s;j/1,2/;ij(j,i):x;endsetsdata:a=0.65,0.5,0.56,0.68;b=0.76,0.7,0.72,0.66;s=640,850,530,720;enddatamin=@sum(i(i):(1-a(i))^(x(1,i))+(1-b(i))^(x

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