Mesh Plot from Data Points
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I am trying to create a 3d mesh plot from data points. The plot i'm trying to create is dose rate in 3d space in a cylindrical coordinate system. I keep getting an error telling me that the size of the matrices are correct. Dose is a 220x35 matrix, r is broken down into 35 steps from 0 to 24, z is broke down into 11 steps from 0 to 24 and theta is from 0 to 1 with 20 steps.
Dose 220x35
r 220x35
z 220x11
theta 220x20
I tried the following:
surf(r,z,theta,dose)
colorbar
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回答 (1 件)
Naman Chaturvedi
2019 年 1 月 21 日
Hi Garret,
To use surf(x,y,z), x, y and z should be matrices of the same size.Also, as you may know, the x, y and z are from the cartesian coordinate system. So, you would have to convert your cylindrical coordinates to cartesian coordinates.
>> surf(R.*cos(PHI), R.*sin(PHI), Z);
Refer to this MATLAB answer link to help yourself : https://www.mathworks.com/matlabcentral/answers/53954-how-do-you-create-a-surf-plot-in-cylindrical-coordinates
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