Modified version of xlswrite_mod. I needed to write to more than 702 columns (ZZ) since with Excel 07 it can support up to 16000 columns (XFD). I added a third character so from ZZ it will become AAA, AAB...AAZ, ABA,ABB,ABC,...ABZ and so forth. Tested upto 2500 columns using a simple matrix and it works. I have not tried using column offset such as when you defined which column to start writing. Feel free to modify/comment and correct it if there is any mistake.
Some simple test:
% test array, create 25x2500, test for
% excel write
for i = 1:25
for j = 1:2500
testArray(i,j) = j;
filename = 'testArray.xlsx';
% End of testArray
Edmond Ng (2022). xlswrite_mod (https://www.mathworks.com/matlabcentral/fileexchange/18057-xlswrite_mod), MATLAB Central File Exchange. Retrieved .
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