function mu = mu_chebyzero ( s )

%*****************************************************************************80
%
%% mu_chebyzero() returns the Chebyshev Zero Node density.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    19 August 2016
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real S(*), points in [-1,+1] where the density function
%    is to be evaluated.
%
%  Output:
%
%    real MU(*), the density function values.
%
  mu = 1.0 ./ sqrt ( 1.0 - s .^ 2 );

  return
end
 
