function m = p04_m ( )

%*****************************************************************************80
%
%% P04_M returns the number of equations M for problem 4.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    16 April 2012
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, integer M, the number of equations.
%
  m = 3;

  return
end