LINGO运行错误toomanyinequalityorequalityrelations
Model:
min=160*(x1/2)^2*3.14+x1*240-160*x5*(x6+1);
h1=70-70*x7/(x1/2*@sqrt(45*45-(45-45/4)^2));
r1=@sqrt((l1-x7)^2-(h1)^2);
l1=@sqrt((45-r1)^2+(h1)^2);
x1>=220;
x4=2;
(40*x4)*(l1-x1/2+45+x7)>=x5;
x6>=0.6;
x6=x7;
x7>=l1;
end
怎么破
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