Make histogram from multiple cells.

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Marcus Johnson
Marcus Johnson 2024-3-21
回答： Bruno Luong 2024-3-21
Hello,
I have a 1x30 cell array with all cells being Mx24 (M differ).
The cells look like the one above but with different amount of rows.
Now to my question, is there an efficient way to make one histogram of all of the values in all of the cells and not just a histogram for each cell?. I know that I can use cat to combine the cells and then make a histogram of the combined array, but I was wondering if there is a more efficient of doing it.

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Bruno Luong
Bruno Luong 2024-3-21
Ran in:
% Generate dummy test data
C=arrayfun(@(varargin)randn(5+randi(20),24), 1:30, 'unif', 0);
A=cell2mat(C(:)); % m x 24, like cat(1,C{:})
histogram(A(:))

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