www.gusucode.com > matlab非局部均值工具箱 > matlab非局部均值工具箱/matlab非局部均值工具箱/toolbox_nlmeans/toolbox/num2string_fixeddigit.m
function str = num2string_fixeddigit(num, d) % num2string_fixeddigit - convert a number to string with a fixed number of digits % % str = num2string_fixeddigit(num, d); % % examples for d=3: 12.3->'012', 99->'099', 999->'999', 1200->'1200' (overflow). % % Copyright (c) 2004 Gabriel Peyr? num = round(num); str = num2str(num); for i=1:d-1 if num<10^i str = ['0' str]; end end