function f =  myf ( x )

%*****************************************************************************80
%
%% MYF evaluates a function whose mininum between [0,7] is desired.
%
  f =     cos (       x ) ...
    + 5 * cos ( 1.6 * x ) ...
    - 2 * cos ( 2.0 * x ) ...
    + 5 * cos ( 4.5 * x ) ...
    + 7 * cos ( 9.0 * x );

  return
end

