# Model tp009r
param mypi := 4*atan(1);
param eps := 10^(-6);
param lbx1 := (-1)*9 + eps;
param ubx1 := 3 - eps;
var x_1 >= lbx1, <= ubx1;
let x_1 := 0;
var x_2;
let x_2 := 0;
minimize obj: sin(mypi*x_1/12)*cos(mypi*x_2/16);
subject to ce_1: 4*x_1 - 3*x_2 = 0;
display obj;
solve;
display obj;
display x_1;
display x_2;
display obj + 0.5;
display x_1 + 3;
display x_2 + 4;