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New to matlab problem plotting

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Silviu Coman
Silviu Coman 2021-1-7
编辑： Silviu Coman 2021-1-9
Hello guys! I'm new to matlab and i have to make a 3D plot. I have managed to do that for a 2D graph (like a cross-sectional view) and tried searching for hours on how can i make it a 3D shape but without any luck. I have attached the code i wrote for the 2D version as well as pics of how it looks like and how it's supposed to look like. I hope you can give me some insight on how to do it.
t=linspace(0,2*pi);
r=1.1;
xc=-0.1;
yc=0.05;
x=r*cos(t)+xc;
y=r*sin(t)+yc;
plot(x,y)
axis equal
zeta=x+i*y;
z=zeta+1./zeta; hold on; plot(-1,0,'rs',1,0,'gd'); plot (real(z),imag(z))

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Star Strider
Star Strider 2021-1-7
See: how to convert 2D graph to 3D? for one approach.
The second image looks as though it was copied from my Answer in that post!
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Silviu Coman
Silviu Coman 2021-1-8
Ok, got it. Once more, thank you for clearing this up and i hope you have a great day!
Star Strider
Star Strider 2021-1-8
As always, my pleasure!
You, too!

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