function y = PrG4c(x)
% Matlab Code by A. Hedar (Nov. 23, 2005).
% Constraints
u = 85.334407+0.0056858*x(2)*x(5)+0.0006262*x(1)*x(4)-0.0022053*x(3)*x(5);
y(1) = -u;
y(2) = u-92;
v = 80.51249+0.0071317*x(2)*x(5)+0.0029955*x(1)*x(2)+0.0021813*x(3)^2;
y(3) = -v+90;
y(4) = v-110;
w = 9.300961+0.0047026*x(3)*x(5)+0.0012547*x(1)*x(3)+0.0019085*x(3)*x(4);
y(5) = -w+20;
y(6) = w-25;
% Variable lower bounds
y(7) = -x(1)+78;
y(8) = -x(2)+33;
y(9) = -x(3)+27;
y(10) = -x(4)+27;
y(11) = -x(5)+27;
% Variable upper bounds
y(12) = x(1)-102;
y(13) = x(2)-45;
y(14) = x(3)-45;
y(15) = x(4)-45;
y(16) = x(5)-45;
% *************************************************************************
y=y'; 