How to make a column of cells into array? Each cell in a row when made into an array would a row with different number of columns

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In-chan Kim
In-chan Kim 2020-2-6
评论： In-chan Kim 2020-2-7
Can I also ask, how can I make into arrays a column of cell files?
timeatstayandtripcomp=Scenario1_indvoutputagg(1:r,88); %each row of the cell represents the variable for each ID
timeatstayandtripcomp=cell2mat(timeatstayandtripcomp);
I'd like each row in there to be an array. I've tried cell2mat but get Error using cat; I think it's because the number of columns for each row isn't necessarily the same.
I could maybe do a for loop, but I need to repeat this for many variables, so I'm wondering if there's a more efficient way of doing it
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Stephen23
Stephen23 2020-2-6
编辑：Stephen23 2020-2-6
Download Jos's padcat:
https://www.mathworks.com/matlabcentral/fileexchange/22909-padcat
and use it like this:
M = padcat(Scenario1_indvoutputagg{1:r,88})
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Stephen23
Stephen23 2020-2-7
"Is there a coding way of doing this though?"
Sure: measure the sizes of the vectors, preallocate an output array to fit the largest vector, then use a loop to assign each of the vectors to that array. It will be quite efficient and is trivial to implement.

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