3D plotting of given parametric equations

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Hi everyone, I need 3D plot of given parametric equations:
Here also R varies between [25 75], i tried to use meshgrid and ndgrid functions but had a problem using them with varying 3 variables U, V and R. How can i plot this? Also, 3D plot should look like this: (Don't mind numbers they are different in my case)
Thank you in advance

Accepted Answer

KSSV on 21 Jun 2022
m = 50 ; n = 50 ;
p = 5 ;
u = linspace(0,pi,m) ;
v = linspace(0,2*pi,n) ;
r = linspace(25,75,p) ;
[U,V,R] = meshgrid(u,v,r) ;
Z = R.*cos(U).*cos(V) ;
Y = R.*cos(U).*sin(V) ;
X = sqrt(R.^2-Z.^2-Y.^2);
hold on
for i = 1:p
Ahmet Turan
Ahmet Turan on 22 Jun 2022
I am trying to get rid of wiggly side surfaces now, any help would be appreciated.

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