open excel file with write permission and server in matlab

To open an Excel file with write permission in Matlab, you can use the actxserver function. Here's an example code to do that:

main.m
% open an Excel server
e = actxserver('Excel.Application');

% open a workbook with write permission
p = pwd;  % current directory
filename = 'example.xlsx';
fullpath = fullfile(p, filename);
workbook = e.Workbooks.Open(fullpath, 0, false);  % open in read-write mode

% now you can read/write Excel data with Matlab code

% close the workbook and the server
workbook.Save();
workbook.Close();
e.Quit();
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In the code above, actxserver creates a connection with Excel server and e.Workbooks.Open opens a workbook in read-write mode. You can modify the file path and name to suit your needs. Once you have the workbook object, you can use Matlab's Excel functions (xlsread, xlswrite, etc.) to read/write data to cells. Don't forget to save the workbook and close the server when you're done.