MATLAB: Display number of digit is 2 in GUI Matlab

Question

Hi, i want display value of nlevel into my GUI, this is my code

global img;
nlevel= NoiseLevel(img);
set(handles.text2,'String', nlevel);

But its output long digit number decimal, how to reduce digit decimal, so it will only show 2 digit decimal? Thank you

Answer 1

set(handles.text2, 'String', sprintf('%.2f', nlevel) );