How can I pass from 2D matrix to 3D matrix?
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Hi,
I'm trying to pass to a 3D matrix having a 2D matrix of this type: signal 1024x512. Each row is a signal obtained by a Radar measurement lasting 14.2 of a subject that breaths and is then transformed in frequency domain with an amplitude (columns).
My 3D matrix should have as three dimensions: waveform number, amplitude, frequency.
I don't know how to put togheter these 3 parameters...
Thank you
Regards
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채택된 답변
KALYAN ACHARJYA
2019년 7월 4일
Pass the 2D matrix to 3D as plane (2D insert to 3D), you can do that using Multidimentional Arrays.
Is this your are looking for?
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KALYAN ACHARJYA
2019년 7월 4일
x,y, z..see the following figure, you can figure out the 3D array representation, all individual planes work as 2D array.
![nddemo_02.gif](https://www.mathworks.com/matlabcentral/answers/uploaded_files/227582/nddemo_02.gif)
추가 답변 (1개)
Image Analyst
2019년 7월 4일
Maybe
array3D = array2D; % (only do for the first 2D matrix);
array3D = cat(3, array3D, array2D); % Append array2D onto existing 3D matrix.
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