write array to animated gif in matlab

main.m
% Example array
A = magic(5);

% Generate frames
numFrames = 10;  % Number of frames to generate
frames = cell(1, numFrames);  % Preallocate array
for i = 1:numFrames
    % Modify array to generate new frame
    % (e.g., rotate matrix or add noise)
    B = imrotate(A, i*36, 'nearest', 'crop');
    B = imnoise(B, 'gaussian', 0.1);
    frames{i} = im2uint8(mat2gray(B));  % Convert to uint8
end

% Save frames to animated GIF
filename = 'myanimation.gif';
for i = 1:numFrames
    % Convert frame to indexed image
    [ind, cmap] = rgb2ind(frames{i}, 256);

    % Write image to file
    if i == 1
        % Write first frame (create file)
        imwrite(ind, cmap, filename, 'gif', 'Loopcount', inf, 'DelayTime', 0.1);
    else
        % Write subsequent frames (append to file)
        imwrite(ind, cmap, filename, 'gif', 'WriteMode', 'append', 'DelayTime', 0.1);
    end
end
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