function  [xt,yt] = xycrull(t);
%XYCRULL Function that returns the coordinate functions
%   for the eccentric ellipse that generates the cruller
%   in the M-file CRULLER.
 
%   C. Henry Edwards, Univerity of Georgia. 6/20/93.
%
%   Copyright 1984-2000 The MathWorks, Inc. 
%   $Revision: 5.5 $  $Date: 2000/06/01 03:46:42 $

xt = 3*cos(t);   yt = sin(t);

