# How to concatenate the elements of the structure?

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M el 22 de Nov. de 2023
Comentada: Stephen23 el 22 de Nov. de 2023
If there is a structure with size 1*12, each element is 3D with size 120*12*N , How can I concatenate the elements of this structure?
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Stephen23 el 22 de Nov. de 2023
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M el 22 de Nov. de 2023
Editada: M el 22 de Nov. de 2023
@Stephen23 Thanks, What about concatenation the elements of cell array 1*12 not structured with elements with size 120*12*N?
I tried cat but it gave me error
Dimensions of arrays being concatenated are not consistent.
Stephen23 el 22 de Nov. de 2023
"What about concatenation the elements of cell array 1*12 not structured with elements with size 120*12*N? "
Then use the cell array syntax shown in the tutorial. For example:
C = {rand(120,12,3), rand(120,12,5), rand(120,12,2), rand(120,12,1), rand(120,12,0), rand(120,12,4)};
A = cat(3,C{:});
size(A)
ans = 1×3
120 12 15
"I tried cat but it gave me error Dimensions of arrays being concatenated are not consistent."
Then the dimensions of one or more of the arrays are not what you explained in your question.
Lets try it right now:
S = struct('F',C)
A = cat(3,S.F);
size(A)
ans = 1×3
120 12 15

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