How to print a 3D matrix to a text file?

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How can I save the following 3D matrix in a text file using MATLAB?
Nx = 4;
Ny = 4;
Nz = 4;
x = (0:Nx-1)/Nx*2*pi;
y = (0:Ny-1)/Ny*2*pi;
z = (0:Nz-1)/Nz*2*pi;
[X,Y,Z] = meshgrid(x,y,z);
%how to save X, Y, and Z in text files?
  3 Comments
Jamie Al
Jamie Al on 20 Oct 2022
Just noticed this prints a text file that is readable as 16X256 instead of 16x16x16 and I wonder if it has to do with the readmatrix function or the way it's written into a text file. Thanks again.

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Accepted Answer

Sailesh Kalyanapu
Sailesh Kalyanapu on 11 Oct 2022
As per my understanding, you are trying to save a 3D Matrix in a text file using MATLAB.
You could use writematrix() function to writes a homogeneous array to a comma delimited text file.
You can also refer to this MATLAB Answers post for saving a 3D matrix using MATLAB’s ‘save()’ function:
For more information on ‘writematrix’ and ‘save’ functions, please refer to the below links to their respective documentations:

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