MATLAB: How to change the filename in xlswrite using loop

MATLABxlswrite

Hello everyone,
now I am writing the one .xlsx file with 19 sheets. For which my code is working properly. This is what I am written till now
for a=1:length(sheets)
xlswrite('rough.xlsx',final{a},sheet{a},xlrange1);
end
Now what actually I want is that I need to write my answers in for different xlsx sheets. Means for every one input sheet I will get one xlsx file with 19 sheets. So, how can I change the filename with a different for loop so that for every different input sheet i will get different xlsx file with 19 sheets each.
means as I am able to change the sheets number but how to change the filename.
Thanks in advance

Best Answer

for i=1:
xlswrite([strcat('Any_Initial_name',num2str(j)),'.xlsx'],file_to_write,'Sheet');
end