append structure in a loop in matlab

To append structures in a loop in MATLAB, we can create an empty array of structures outside the loop, then assign values to each structure inside the loop, and finally append each structure to the array using concatenation. Here's an example code snippet:

main.m
% Create an empty array of structures
mystruct = struct('field1', [], 'field2', []);

% Loop through some data
for i = 1:length(data)
    % Assign values to the structure
    mystruct(i).field1 = data(i);
    mystruct(i).field2 = some_other_data(i);

    % Append the structure to the array
    mystruct = [mystruct mystruct(i)];
end
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In this code, data and some_other_data are assumed to be arrays of equal length that we want to store in the structures. The for loop iterates over the length of data, assigns the values to the fields of the ith structure in mystruct, and then appends that structure to the end of the array using concatenation.

By the end of the loop, mystruct will be an array of structures, where each structure contains the values assigned inside the loop.