How do I display a table which has another table as a variable in app designer app in Matlab?

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Aynur Adanbekova
Aynur Adanbekova on 14 Oct 2021
Commented: Aynur Adanbekova on 22 Oct 2021
The code below generates a matlab table which has another table as one of its variables.
test = [1;2;3];
test2 = [5;6;7];
test3 = [9;10;11];
tmp = table(test, test2, test3);
merged = mergevars(tmp,{'test','test2'},'NewVariableName','Combined','MergeAsTable',true);
I want to display a similar table in an app I am building in app designer. I do not find any info how to do that. I would be very grateful for any suggestions.
app.UITable.Data = merged
does generate an empty table in the GUI. Thanks!

Answers (1)

Pavan Guntha
Pavan Guntha on 22 Oct 2021
Hi Aynur,
You could try placing the following code in the startupFcn of the MATLAB App:
function startupFcn(app)
test = [1;2;3];
test2 = [5;6;7];
test3 = [9;10;11];
tmp = table(test, test2, test3);
merged = mergevars(tmp,{'test','test2'},'NewVariableName','Combined','MergeAsTable',true);
app.UITable.Data = merged;
end
The output of this would be as follows:
If the 'mergevars' function arguments are changed as follows, the output would vary as shown below:
merged = mergevars(tmp,{'test','test2'},'NewVariableName','Combined','MergeAsTable',false);
For more information you could look at the following documentation page which clearly illustrates the required functionality:
Hope this helps!
  1 Comment
Aynur Adanbekova
Aynur Adanbekova on 22 Oct 2021
Hi Pavan, thanks for the response. However, your solution does not include variable names of the sub table. What I want is one header for 2 columns and each of these 2 columns should also have their column names.

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