max z=3*x1*x1-x1^3+5*x2*x2-x2^3; x1+2*x2<=4; x1>=0; 刚接触lingo大家看看怎么不对啊 x2>=0;

2025-02-27 19:47:47
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回答1:

max=3*x1*x1-x1^3+5*x2*x2-x2^3; x1+2*x2<=4;