how to add a new column to a table in matlab

To add a new column to a table in MATLAB, you can use the addvars function. Here is an example:

main.m
% create a table
T = table(rand(3,1), rand(3,1), rand(3,1), 'VariableNames', {'Var1', 'Var2', 'Var3'});

% add a new column
T = addvars(T, rand(3,1), 'NewVariableNames', 'Var4');
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In the example above, we create a table T with three columns: Var1, Var2, and Var3. To add a new column to T, we use the addvars function and specify the name of the new variable as 'Var4'. The function returns a new table T that includes the new column.

Note that addvars can also be used to add multiple columns at once. For more information, see the MATLAB documentation on addvars.