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function [xt,yt] = xycrull(t) %XYCRULL Function that returns the coordinate functions % for the eccentric ellipse that generates the cruller % in the MATLAB script CRULLER. % C. Henry Edwards, University of Georgia. 6/20/93. % % Copyright 1984-2015 The MathWorks, Inc. xt = 3*cos(t); yt = sin(t);