i am filling excel using matlab script, now i need to comapre those cells with existing cells and highlight mismatched cells. give me matlab script for this in matlab

main.m
% Specify the file path
file = 'path/to/excel/file.xlsx';

% Generate sample data to fill the Excel sheet
dataToFill = magic(5);

% Write the data to the Excel file
xlswrite(file, dataToFill); 

% Read the existing data from the Excel file
dataExisting = xlsread(file);

% Compare the cells and get the mismatched indices
mismatchedIndices = find(dataExisting ~= dataToFill);

% Open an Excel COM server to highlight the mismatched cells
excel = actxserver('Excel.Application');
excel.Workbooks.Open(fullfile(pwd, 'path', 'to', 'excel', 'file.xlsx'));
excel.Visible = true;
sheet = excel.ActiveSheet;

% Highlight the mismatched cells
for i = 1:numel(mismatchedIndices)
    [row, col] = ind2sub(size(dataExisting), mismatchedIndices(i));
    cellToHighlight = sheet.Range(sprintf('%s%d', char('A' + col - 1), row));
    cellToHighlight.Interior.Color = 255;
end

% Save and close the Excel file
excel.ActiveWorkbook.Save;
excel.ActiveWorkbook.Close;
excel.Quit;
excel.delete;

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