怎么用LINDO求解最值?X1+X5>=400;（X1*2+X2*2+X3*1+X4*1+X5*5）/1000

Question

怎么用LINDO 求解最值?
X1+X5>=400;
（X1*2+X2*2+X3*1+X4*1+X5*5）/1000

Answer 1

max Z=（X1*4.3%+X2*5.4%*50%+X3*50%*50%+X4*50%*50%+X5*4.5%）
st
X1+X5>=400
（X1*2+X2*2+X3*1+X4*1+X5*5）/1000=0
X4>=0
X5>=0
end