Model hs84 Parameters a[1] = -24345 a[2] = -8720288.849 a[3] = 150512.5253 a[4] = -156.6950325 a[5] = 476470.3222 a[6] = 729482.8271 a[7] = -145421.402 a[8] = 2931.1506 a[9] = -40.427932 a[10] = 5106.192 a[11] = 15711.36 a[12] = -155011.1084 a[13] = 4360.53352 a[14] = 12.9492344 a[15] = 10236.884 a[16] = 13176.786 a[17] = -326669.5104 a[18] = 7390.68412 a[19] = -27.8986976 a[20] = 16643.076 a[21] = 30988.146 l[1] = 0 l[2] = 1.2 l[3] = 20 l[4] = 9 l[5] = 6.5 u[1] = 1000 u[2] = 2.4 u[3] = 60 u[4] = 9.3 u[5] = 7 xi[1] = 2.52 xi[2] = 2 xi[3] = 37.5 xi[4] = 9.25 xi[5] = 6.8 End Parameters Variables x[1:5] = xi[1:5], >=l[1:5], <=u[1:5] obj End Variables Equations 0 <= a[7]*x[1] + a[8]*x[1]*x[2] + a[9]*x[1]*x[3] + a[10]*x[1]*x[4] + a[11]*x[1]*x[5] <= 294000 0 <= a[12]*x[1] + a[13]*x[1]*x[2] + a[14]*x[1]*x[3] + a[15]*x[1]*x[4] + a[16]*x[1]*x[5] <= 294000 0 <= a[17]*x[1] + a[18]*x[1]*x[2] + a[19]*x[1]*x[3] + a[20]*x[1]*x[4] + a[21]*x[1]*x[5] <= 277200 ! best known objective = -5280335.133 obj = -a[1] - a[2]*x[1] - a[3]*x[1]*x[2] - a[4]*x[1]*x[3] - a[5]*x[1]*x[4] - a[6]*x[1]*x[5] End Equations End Model