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matrix of matrices - matrix with matrices inside it

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Daniel Brower
Daniel Brower on 11 Dec 2019
Answered: Image Analyst on 11 Dec 2019
How would I create a matrix of matrices, such that A = [[1 2 3 4] [5 6 7 8]]?
I mean a matrix with matrices inside of it.

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Answers (2)

JESUS DAVID ARIZA ROYETH
JESUS DAVID ARIZA ROYETH on 11 Dec 2019
Edited: JESUS DAVID ARIZA ROYETH on 11 Dec 2019
use cell array:
A = {[1 2 3 4] [5 6 7 8]}
A{1}% get matrix 1
A{2}% get matrix 2

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Image Analyst
Image Analyst on 11 Dec 2019
Some more ways
A = [1 2 3 4; 5 6 7 8] % Create a 2-D array with the vectors in it.
A = cat(2, [1 2 3 4], [5 6 7 8]); % Create a 2-D array with the vectors in it.
For more on cell arrays, like in Jesus's answer, see The FAQ. One advantage of cell arrays is that each cell can contain anything : matrices of all the same or all different sizes, string, tables, even other cell arrays. Any MATLAB variable can be put into the cell and each cell can be totally different.
Another variable that can contain matrices is a table, though I think each column in a table must contain the same size array.

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