param N := 2;

var x{1..N};

minimize f:
(-13+x[1]-2*x[2]+5*x[2]^2-x[2]^3)^2 + (-29+x[1]-14*x[2]+x[2]^2+x[2]^3)^2;

data;
var x:=
1	15
2	-2;

solve;

display x;