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on 10 Oct 2022
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t = (0:0.001:2*pi)';
n = 0.1:0.015:0.75;
r = (abs(cos(2*t/4)).^n+abs(sin(2*t/4)).^n).^(-1./n);
x1 = 3.85*r.*cos(t);
y1 = 2*r.*sin(t);
h=plot(x1,y1,'r')
h =
44×1 Line array: Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line Line
rotate(h,[0,90],-5)
axis equal off
hold on
patch(-0.7*y1(:,25),0.1*x1(:,25),'k','LineW',11)
xp = -1.2:0.1:1.2;
yp1 = xp.^4-1;
yp2 = xp.^6-1.5;
%patch([xp,flip(xp)],[yp1,flip(yp2)],'k')
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