function xy = xy3 ( )

%*****************************************************************************80
%
%% XY3 returns XY coordinates for the nodes in example 3.
%
%  Discussion:
%
%    This matrix appears on page 5 of the reference.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    05 September 2015
%
%  Author:
%
%    John Burkardt
%
%  Reference:
%
%    Cleve Moler,
%    Experiments with Matlab,
%    Chapter 7: Google PageRank,
%    https://www.mathworks.com/moler/exm/chapters/pagerank.pdf
%
%  Parameters:
%
%    Output, integer XY(6,2), the XY coordinates for nodes.
%
  xy = zeros ( 6, 2 );

  xy(1,1) = 1.0;
  xy(1,2) = 4.0;

  xy(2,1) = 2.0;
  xy(2,2) = 3.0;

  xy(3,1) = 2.0;
  xy(3,2) = 2.0;

  xy(4,1) = 3.0;
  xy(4,2) = 4.0;

  xy(5,1) = 3.0;
  xy(5,2) = 1.0;

  xy(6,1) = 1.0;
  xy(6,2) = 1.0;

  return
end
