function value = wiggle ( x )

%*****************************************************************************80
%
%% wiggle() defines a trigonometric function to be plotted by iplot().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    07 July 2021
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real X: the argument.
%
%  Output:
%
%    real VALUE: the function value.
%
  value = sin ( x ) + 2.0 * sin ( 5.0 * x ) + 0.2 * sin ( 12.3 * x );

  return
end

