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on 15 Oct 2021
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f=axes
f =
Axes with properties: XLim: [0 1] YLim: [0 1] XScale: 'linear' YScale: 'linear' GridLineStyle: '-' Position: [0.1300 0.1100 0.7750 0.8150] Units: 'normalized' Show all properties
penny
view(f,[0 90]);
hold on
x=[67:.1:78]
x = 1×111
67.0000 67.1000 67.2000 67.3000 67.4000 67.5000 67.6000 67.7000 67.8000 67.9000 68.0000 68.1000 68.2000 68.3000 68.4000 68.5000 68.6000 68.7000 68.8000 68.9000 69.0000 69.1000 69.2000 69.3000 69.4000 69.5000 69.6000 69.7000 69.8000 69.9000
●
y=-(x-72).^3/10+80
y = 1×111
92.5000 91.7649 91.0592 90.3823 89.7336 89.1125 88.5184 87.9507 87.4088 86.8921 86.4000 85.9319 85.4872 85.0653 84.6656 84.2875 83.9304 83.5937 83.2768 82.9791 82.7000 82.4389 82.1952 81.9683 81.7576 81.5625 81.3824 81.2167 81.0648 80.9261
●
z=x*0+250
z = 1×111
250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250
●
plot3(x,y,z,'k')
annotation('ellipse',[59 55 6 8]/100,'LineWidth',2);
line([30 95],[25 25],[250 250],'Color','k','Linewidth',15)
line([40 85],[5 5],[250 250],'Color','k','Linewidth',70)
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