Model hs118 Variables x[1] = 20 > 8 < 21 x[2] = 55 > 43 < 57 x[3] = 15 > 3 < 16 x[4] = 20 > 0 < 90 x[5] = 60 > 0 < 120 x[6] = 20 > 0 < 60 x[7] = 20 > 0 < 90 x[8] = 60 > 0 < 120 x[9] = 20 > 0 < 60 x[10] = 20 > 0 < 90 x[11] = 60 > 0 < 120 x[12] = 20 > 0 < 60 x[13] = 20 > 0 < 90 x[14] = 60 > 0 < 120 x[15] = 20 > 0 < 60 obj[1:5] End Variables Equations 0 <= x[4] - x[1] + 7 <= 13 0 <= x[7] - x[4] + 7 <= 13 0 <= x[10] - x[7] + 7 <= 13 0 <= x[13] - x[10] + 7 <= 13 0 <= x[5] - x[2] + 7 <= 14 0 <= x[8] - x[5] + 7 <= 14 0 <= x[11] - x[8] + 7 <= 14 0 <= x[14] - x[11] + 7 <= 14 0 <= x[6] - x[3] + 7 <= 13 0 <= x[9] - x[6] + 7 <= 13 0 <= x[12] - x[9] + 7 <= 13 0 <= x[15] - x[12] + 7 <= 13 x[1] + x[2] + x[3] >= 60 x[4] + x[5] + x[6] >= 50 x[7] + x[8] + x[9] >= 70 x[10] + x[11] + x[12] >= 85 x[13] + x[14] + x[15] >= 100 ! best known objective = 664.8204500 obj[1] = (2.3*x[1] + 0.0001*x[1]^2 + 1.7*x[2] + 0.0001*x[2]^2 + 2.2*x[3] + 0.00015*x[3]^2) obj[2] = (2.3*x[4] + 0.0001*x[4]^2 + 1.7*x[5] + 0.0001*x[5]^2 + 2.2*x[6] + 0.00015*x[6]^2) obj[3] = (2.3*x[7] + 0.0001*x[7]^2 + 1.7*x[8] + 0.0001*x[8]^2 + 2.2*x[9] + 0.00015*x[9]^2) obj[4] = (2.3*x[10] + 0.0001*x[10]^2 + 1.7*x[11] + 0.0001*x[11]^2 + 2.2*x[12] + 0.00015*x[12]^2) obj[5] = (2.3*x[13] + 0.0001*x[13]^2 + 1.7*x[14] + 0.0001*x[14]^2 + 2.2*x[15] + 0.00015*x[15]^2) End Equations End Model