How to pad zeros in the front of the number using 'num2str'

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MathWorks Support Team
For example, you have 47 and you want the output to be 047
Please use the following command:
>> num = 47;
>> num2str(num,'%03.f');
The '%03.f' format specifier indicates that there would totally 3 digits before the decimal point prepended with 0 depending on the digits in the number.
 

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