# Model tp028
var x_1;
let x_1 := -4;
var x_2;
let x_2 := 1;
var x_3;
let x_3 := 1;
minimize obj: (x_1 + x_2)^2 + (x_2 + x_3)^2;
subject to ce_1: x_1 + 2*x_2 + 3*x_3 - 1 = 0;
display obj;
solve;
display obj;
display x_1;
display x_2;
display x_3;
display obj - 0;
display x_1 - 0.5;
display x_2 + 0.5;
display x_3 - 0.5;