function prob_num = p00_prob_num ( )

%*****************************************************************************80
%
%% p00_prob_num() returns the number of least squares problems.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    16 April 2012
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    real PROB_nUM, the number of problems.
%
  prob_num = 6;

  return
end
