kron function application but in 3d

2019 9 12
2 个回答
更新时间：2019 9 12
6 次查看（30 天）

0 个投票

Is there a function that would replicate the elements of a matrix in 3d? If I had the matrix A(:,:,1)= [1 2; 3 4] and A(:,:,2)=[5 6; 7 8] I would want the output B(:,:,1)= B(:,:,2)= [1 1 2 2; 3 3 4 4] and B(:,:,3)=B(:,:,4)=[5 5 6 6; 7 7 8 8].
Thanks.

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回答（2 个）

Walter Roberson
Walter Roberson 2019-9-12

0 个投票

For duplicating elements with the duplicates of each element beside each other, see repelem()
Bruno Luong
Bruno Luong 2019-9-12

0 个投票

A(:,:,1)= [1 2; 3 4];
A(:,:,2)=[5 6; 7 8]
B = repelem(A,1,2,2)

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