function [ x, y, w ] = rule11 ( )

%*****************************************************************************80
%
%% RULE11 returns the rule of degree 11.
%
%  Discussion:
%
%    Order 11 (28 pts)
%    1/6 data for   11-th order quadrature with   8 nodes
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    26 June 2014
%
%  Author:
%
%    Original FORTRAN77 version by Hong Xiao, Zydrunas Gimbutas.
%    This MATLAB version by John Burkardt.
%
%  Parameters:
%
%    Output, real X(*), Y(*), the coordinates of the nodes.
%
%    Output, real W(*), the weights.
%
  x = [ ...
       0.00000000000000000000000000000000, ...
       0.00000000000000000000000000000000, ...
      -0.66702609775505741425256941082402, ...
       0.00000000000000000000000000000000, ...
       0.00000000000000000000000000000000, ...
       0.00000000000000000000000000000000, ...
       0.00000000000000000000000000000000, ...
      -0.33107350040092300374508907880435 ];
  y = [ ... ...
       0.10478437573860252650592594105291E+01, ...
      -0.57312463741413046743394091946546, ...
      -0.55246647968395743746723714345900, ...
       0.00000000000000000000000000000000, ...
       0.76253712102917906246868919741961, ...
      -0.35791680916635253698118135523597, ...
       0.41170804295590891080211946164601, ...
      -0.49479368349849501640395735410577 ];
  w = [ ... ...
       0.80604906968824787275184319645950E-02, ...
       0.82027549569428763887170584691844E-02, ...
       0.19158909765241473284488780746507E-01, ...
       0.17864637545398712988860649788563E-01, ...
       0.26406526528755833416145171420307E-01, ...
       0.41518760800101172427427091335633E-01, ...
       0.44644591603719541882313987831736E-01, ...
       0.53488996928373321021065312076308E-01 ];

  return
end
