How to randomly change a digit in a string

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Dani Niwa
Dani Niwa 2020-12-22
回答： Joseph Wilson 2020-12-22
I have a string = 00101 How i can randomly change one digits of that string? Ex: 00101=>00100

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Joseph Wilson
Joseph Wilson 2020-12-22
string1 = '00101';
digit_change = randi(length(string1));
digit_val = str2num(string1(digit_change));
digit_new = num2str(~digit_val);
string1(digit_change)=digit_new;

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