Quadratmuster 2

k=1,2,..,6000 x(k)=sin(10πk/6000)(cos(18πk/6000))², y(k)=cos(14πk/6000)³, p(k)=(1/400)+(1/25)(cos(64πk/6000)cos(192πk/6000))^12+(1/70)(cos(192πk/6000)cos(384πk/6000))^10+(1/120)(cos(384πk/6000)cos(1152πk/6000))^10. Q(k): (x(k)-p(k),y(k)-p(k)) , (x(k)+p(k),y(k)-p(k)), (x(k)+p(k),y(k)+p(k)), (x(k)-p(k),y(k)+p(k)) k =1,2,..,n