How to Unnest Nested cell arrays

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xander fong
xander fong on 29 Jul 2015
Edited: Stephen23 on 29 Jul 2015
Hello, I have a 17x300 cell array, some of which contain text and numbers. However, the 17th column is filled with 1x1 cell arrays with a number inside. How do I unnest these unnested cells?
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Stephen23
Stephen23 on 29 Jul 2015
Edited: Stephen23 on 29 Jul 2015
In MATLAB, like in all mathematics, the first dimension is always the rows, and the second dimension is the columns. So your "17x300" means seventeen rows and three hundred columns... yet your question is about the "17th column", which implies that you meant the size to be 300*17 (three hundred rows and seventeen columns).

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Accepted Answer

Stephen23
Stephen23 on 29 Jul 2015
Edited: Stephen23 on 29 Jul 2015
Given your array X:
X(:,17) = vertcat(X{:,17});
Note that this will only work if all of the cells in that column contain cell arrays. It will cause an error if any cell in the column contains any other data type.

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