# Chamberlain Example 2
# written in AMPL by Yu-Ju Kuo and Hans D. Mittelmann, 6/2001
var x:=1;
minimize obj:1;
s.t. g1:-1+x*(1+x*(5-5*x))>=0;
s.t. g2:-1+(1-x)*(1+(1-x)*(5-5*(1-x)))>=0;