How to draw 2D object with plot 3D matlab

How to draw 2D object with plot 3D matlab

I have 2 circle and 2 radius ( a and b )and height (h) between two circle.

draw this 2D figure to 3D figure with plot or surf

Answer 1

[Matt J]

The command cylinder() will be helpful. This example in particular,

https://www.mathworks.com/help/matlab/ref/cylinder.html#mw_2cfa16c6-c0e8-45bb-9ff6-fe2ad20c2a4c

[Moufid Meddeb]

thank u for ur answer sir

but I did that before, but didn't get 2 lines same in the figure

i get that

[Matt J]

That is definitely a mistake.

[Moufid Meddeb]

like this

[Matt J]

r=____________
[X,Y,Z] = cylinder(r,1000);
surf(X,Y,Z,'EdgeColor','none')

[Moufid Meddeb]

how u do this , i have two radius and two circle ??

[Matt J]

As I said, the example at the link I gave you is very similar to what you are trying to do.