How to plot many circle in 3D from array radius and different height?

I have no idea about doing this. I did try so many ways.

4 Comments

Please show us your attempts so far
I try to use this.
[X,Y,Z] = sphere(50); contour3(X,Y,Z);
What problem you have with above?
I want to make many circles like this but I have no idea how to do I attach the set of radius and the location of z-axis.

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 Accepted Answer

[num,txt,raw] = xlsread('32 coils Parameters.xlsx') ;
th = linspace(0,2*pi) ;
x = cos(th) ;
y = sin(th) ;
figure
hold on
for i = 1:size(num) ;
xc = num(i,2)*x ;
yc = num(i,2)*y ;
zc = repmat(num(i,3),1,100) ;
plot3(xc,yc,zc)
end
view(3)
axis equal

7 Comments

Thank you very much but this isn't what I want to do I want to make circle line in 3D graph.
Thank you very much!! I'm very new for this. What about the -z axis ? It doesn't show. :D
It is there.....check the figure..
I'm sorry. I didn't put the negative values in the excel.
Hi, Thank you very much with the previous code. I want your help again. How to rotate the 32 circular coils with the inclination of 30 degrees like this picture?
Thank you. From this
to this

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