# How to concatenate table elements?

2 views (last 30 days)
Struggling in MATLAB on 19 Mar 2022
Edited: Struggling in MATLAB on 19 Mar 2022
I am trying to concatenate the table elements of which each of them are double array. How can I do it effectively? I have attached the table for
reference. Basically I am trying to put together all the coordinatetimes values together.
Walter Roberson on 19 Mar 2022
I am not clear what you are trying to concatenate to what, or which dimension you are trying to concatenate over?
Struggling in MATLAB on 19 Mar 2022
Sorry for not being clear enough. I am trying to concatenate by column. I have written this piece of code which worked.
all_trials_on_date_coordinatetimes = [];
all_trials_on_date_xcoordinates = [];
all_trials_on_date_ycoordinates = [];
for idx = 1:length(all_trials_on_date.coordinatetimes)
all_trials_on_date_coordinatetimes = cat(1, ...
all_trials_on_date_coordinatetimes, ...
all_trials_on_date.coordinatetimes{idx, 1});
all_trials_on_date_xcoordinates = cat(1, ...
all_trials_on_date_xcoordinates, ...
all_trials_on_date.xcoordinates{idx, 1});
all_trials_on_date_ycoordinates = cat(1, ...
all_trials_on_date_ycoordinates, ...
all_trials_on_date.ycoordinates{idx, 1});
end
But, I am wondering if there is a simpler way for table which might not know.

Walter Roberson on 19 Mar 2022
all_times = vertcat(all_trials_on_date.coordinatetimes{:});
Struggling in MATLAB on 19 Mar 2022
Edited: Struggling in MATLAB on 19 Mar 2022
Awesome! Thank you!

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