Model hs57 Parameters a[1] = 8 a[2] = 8 a[3] = 10 a[4] = 10 a[5] = 10 a[6] = 10 a[7] = 12 a[8] = 12 a[9] = 12 a[10] = 12 a[11] = 14 a[12] = 14 a[13] = 14 a[14] = 16 a[15] = 16 a[16] = 16 a[17] = 18 a[18] = 18 a[19] = 20 a[20] = 20 a[21] = 20 a[22] = 22 a[23] = 22 a[24] = 22 a[25] = 24 a[26] = 24 a[27] = 24 a[28] = 26 a[29] = 26 a[30] = 26 a[31] = 28 a[32] = 28 a[33] = 30 a[34] = 30 a[35] = 30 a[36] = 32 a[37] = 32 a[38] = 34 a[39] = 36 a[40] = 36 a[41] = 38 a[42] = 38 a[43] = 40 a[44] = 42 b[1] = 0.49 b[2] = 0.49 b[3] = 0.48 b[4] = 0.47 b[5] = 0.48 b[6] = 0.47 b[7] = 0.46 b[8] = 0.46 b[9] = 0.45 b[10] = 0.43 b[11] = 0.45 b[12] = 0.43 b[13] = 0.43 b[14] = 0.44 b[15] = 0.43 b[16] = 0.43 b[17] = 0.46 b[18] = 0.45 b[19] = 0.42 b[20] = 0.42 b[21] = 0.43 b[22] = 0.41 b[23] = 0.41 b[24] = 0.4 b[25] = 0.42 b[26] = 0.4 b[27] = 0.4 b[28] = 0.41 b[29] = 0.4 b[30] = 0.41 b[31] = 0.41 b[32] = 0.4 b[33] = 0.4 b[34] = 0.4 b[35] = 0.38 b[36] = 0.41 b[37] = 0.4 b[38] = 0.4 b[39] = 0.41 b[40] = 0.38 b[41] = 0.4 b[42] = 0.4 b[43] = 0.39 b[44] = 0.39 End Parameters Variables x[1] = 0.42 x[2] = 5 obj[1:44] End Variables Equations 0.49*x[2] - x[1]*x[2] >= 0.09 x[1] >= 0.4 x[2] >= -4 ! best known objective = 0.02845966972 obj[1:44] = (b[1:44] - x[1] - (0.49 - x[1])*exp(-x[2]*(a[1:44]-8)))^2 End Equations End Model