Concatenation of 3D Array into 2D Array

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Elizabeth 2014-2-17

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https://ww2.mathworks.cn/matlabcentral/answers/116502-concatenation-of-3d-array-into-2d-array

评论： Mariana 2017-11-22

Sorry if this is a bit of an elementary issue, but I could use some help concatenating a 3D matrix (20x12x30), A, into a 2D matrix (20x360),B, so that

B(:,1:12) = A(:,:,1)

B(:,13:24) = A(:,:,2)

etc.

I'm hoping to do this outside of a loop to save some computing time.

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Image Analyst 2014-2-17

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在 MATLAB Online 中打开

Try this:

B = reshape(A, [20, 360])

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Elizabeth 2014-2-18

This worked! Thank you!

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Azzi Abdelmalek 2014-2-17

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https://ww2.mathworks.cn/matlabcentral/answers/116502-concatenation-of-3d-array-into-2d-array#answer_124693

在 MATLAB Online 中打开

A=rand(20,12,30)
B=A(:,:)

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Mariana 2017-11-22

This concatenate horizontally. How to concatenate vertically?

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MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

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