MATLAB: How to make a cell array of cell arrays

MATLAB

Hi,

How does one make a cell array of cell array in Matlab ? Let's A = (1:70), how can I transform this into a 14×1 cell array for which every cell contains 5 numbers ?

Thank you

Best Answer

"how can I transform this into a 14x1 cell array for which every cell contains 5 numbers"

What you're describing is a cell array of vectors, not a cell array of cells.

c = mat2cell(reshape(A,5,14),5,ones(1,14)); % For column vectors

c = mat2cell(reshape(A,5,14)',ones(1,14),5); % For row vectors

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Cell_array = {1,[],magic(2);'stirng',[],[]}
cellfun('isempty',Cell_array)

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B = squeeze(mat2cell(A,2,2,[1 1]))

This is probably quicker:

mat2cell(reshape(A,2,4),2,[2 2])

More generally:

A(:,:,1) = [1 2; 3 4;5 6;45 50]; 
A(:,:,2) = [7 8;9 10;11 12;13 14]; 
A(:,:,3) = [70 80;90 100;110 120;130 140];
S = size(A);
B = mat2cell(reshape(A,S(1),S(2)*S(3)),S(1),ones(1,S(3))*S(2))

Best Answer

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MATLAB: Manipulation of a cell array-

MATLAB: Place each dimension of matrix into a cell array

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