# Model tp073
var x_1 >= 0;
let x_1 := 1;
var x_2 >= 0;
let x_2 := 1;
var x_3 >= 0;
let x_3 := 1;
var x_4 >= 0;
let x_4 := 1;
minimize obj: 24.55*x_1 + 26.75*x_2 + 39*x_3 + 40.50*x_4;
subject to ci_1: 2.3*x_1 + 5.6*x_2 + 11.1*x_3 + 1.3*x_4 - 5 >= 0;
subject to ci_2: 12*x_1 + 11.9*x_2 + 41.8*x_3 + 52.1*x_4 - 21 - 1.645*sqrt(0.28*x_1^2 + 0.19*x_2^2 + 20.5*x_3^2 + 0.62*x_4^2) >= 0;
subject to ce_1: x_1 + x_2 + x_3 + x_4 - 1 = 0;
display obj;
solve;
display obj;
display x_1;
display x_2;
display x_3;
display x_4;
display obj - 29.89437815914335;
display x_1 - 0.6355215686350697;
display x_2 - 0;
display x_3 - 0.3127018807515235;
display x_4 - 0.05177655061340678;