how to write numbers with 10^ format in matlab?

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How to print 123456 as 1.2x10^5 in a matlab figure?
str5 = ['CC = ' num2str(123456) ];
str = sprintf('%s',str5);
annotation('textbox',[0.1 0.1 0.1 0.1],'String',str,'FitBoxToText','on');
Any help will be greatly appriciated.

Accepted Answer

Stephen23
Stephen23 on 10 Aug 2022
Edited: Stephen23 on 10 Aug 2022
str = strrep(sprintf('CC = %.1e',123456),'e','x10^')
str = 'CC = 1.2x10^+05'
str = regexprep(sprintf('CC = %.1e',123456),'e(\D)0*(\d+)$','x10^$1$2')
str = 'CC = 1.2x10^+5'
  4 Comments
MP
MP on 11 Aug 2022
str = strrep(sprintf('CC = %.1e',123456),'e','x10\^');
worked!!
Thank you so much @Stephen23

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