#
# written in AMPL by Yu-Ju Kuo and Hans D. Mittelmann, 6/2001
param N:=2;
param NH:=0;
param NG:=4;
var X{1..N}:=1;
minimize obj: -exp(X[1]*X[2]-1)/(X[1]*X[2]-0.5);
s.t. gx1:X[1]*X[2]-0.75>=0;
s.t. gx2: -X[2]^2+2-X[1]>=0;
s.t. gx3: X[1]>=0;
s.t. gx4: X[2]>=0;