Help, draw the surface

2021 4 20
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更新时间：2021 4 23
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Can somebody Help me?
How do I draw the surface fo this? With cos z=sqrt (x^2+y^2) -3 ≤ z ≤ 3

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Rik
Rik 2021-4-20
Judging by the tag you have already tried meshgrid. Where did you get stuck in solving this?
alice karlsson
alice karlsson 2021-4-20
The picture is showing how it should look. I dont know how to script in matlab to plot that figure.
Rik
Rik 2021-4-20
Have a read here. Try something. Show you put in some effort. You're much more likely to get help that way.

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Nagasai Bharat
Nagasai Bharat 2021-4-23

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Hi,
The following documentation should help you get started
Surface plot - MATLAB surf (mathworks.com)
Inverse cosine in radians - MATLAB acos (mathworks.com)
Try to get the data ranges and units right.
Thanks

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