function y = PrPc(x)
% Matlab Code by A. Hedar (Nov. 23, 2005).
% Constraints
y(1) = -x(1)+0.0193*x(3);
y(2) = -x(2)+0.00954*x(3);
y(3) = -pi*x(3)^2*x(4)-(4/3)*pi*x(3)^3+1296000;
y(4) = x(4)-240;
% *************************************************************************
y=y'; 