Unfold 3D I x J x K to 2D I x JK

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Maxwell Barton
Maxwell Barton 2019-8-1
编辑： KALYAN ACHARJYA 2019-8-1
Hi,
I am trying to unfold a matrix in the form I x J x K to I x JK corresponding to I batches, J variables and K time periods (within the batch).
I currently have got this matrix:
And I need it in the form:
batch wise unfold matrix.PNG
How would I go about doing this as I think reshape is inadequate?
Thanks

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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-8-1
编辑：KALYAN ACHARJYA 2019-8-1
"I am trying to unfold a matrix in the form I x J x K to I x JK"
May be: Are you looking for this one?
[R C D]=size(M);
X=reshape(M,R,C*D)
I ignored this part "corresponding to I batches, J variables and K time periods (within the batch). "

更多回答（1 个）

Bruno Luong
Bruno Luong 2019-8-1
X=M(:,:)

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