function V = ngon(n)
%
%  V = ngon(n)
%    
%  rows of V are (x,y) coordinates of vectices of regular unit n-gon
%
%   See also CGRAPH, CEDGE, GRAPH

 
for i= 1:n,
  V(i,:) = [cos(2*(i-1)*pi/n) sin(2*(i-1)*pi/n)];
end