非线性数值优化

zyl0198

Minimize[Abs[
  128.79 + 41.86*x4 + 43.97*x5 - 14.49*x4^2 - 16.66*x5^2 +
   30.42*x4*x5 - 79],
{101.56 + 8.83*x1 + 9.18*x2 + 14.96*x3 + 33.84*x4 + 44.60*x5 +
     1.85*x6 - 14.30*x7 - 79 == 0 &&
   49.54 + 21.28*x1 - 10.30*x2 - 1.31*x3 + 1.52*x4 + 2.00*x5 -
     2.10*x6 - 2.20*x7 - 25 == 0  &&
   0.1848 + 0.0012*x1 + 0.0740*x2 - 0.0012*x3 - 0.0038*x4 +
     0.0006*x5 + 0.0042*x6 + 0.0100*x7 - 0.25 == 0 &&
   -30.721 + 0.839*x1 - 3.276*x2 - 4.295*x3 - 6.276*x4 - 17.996*x5 +
     0.016*x6 + 10.700*x7 <= 0 &&
   -134.57 - 23.40*x1 - 10.50*x2 - 20.59*x3 - 58.04*x4 - 44.08*x5 -
     4.37*x6 - 2.30*x7 <= 0 &&
   0*x1 + 0*x2 + 0*x3 + 6*x4 - 3*x5 + 0*x6 + 0*x7 <= -5 &&
   0*x1 + 0*x2 + 0*x3 - 9*x4 + 3*x5 + 0*x6 + 0*x7 <= 10 &&
   -37.92 - 11.01*x4 - 12.20*x5 + 2.97*x4^2 + 6.66*x5^2 -
     11.15*x4*x5 <= 0 &&
   -174.11 - 60.98*x4 - 61.93*x5 + 23.91*x4^2 + 16.66*x5^2 -
     33.81*x4*x5 <= 0 ,
  40 < x1 <= 100, 1.0 < x2 <= 4.0, 0.25 < x3 <= 0.75, 50 < x4 <= 200,
  50 < x5 <= 200,
  0.24 < x6 <= 0.40, 0.24 < x7 <= 0.48}, {x1, x2, x3, x4, x5, x6, x7}]
这样做对吗？求大神指教一下，我没算出结果来

minjiecow

Lingo可以更适合！！