How to create Random Binary Number with fix amount of 1 and 0?
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Hi all, I need help to create a random binary numbers (length of 30), but there should be only four "1" in it.
Appreciate if anyone can help me on this.
Thank you
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Answers (2)
Mohammad Sami
on 22 Jul 2022
You can try the following.
bin_len = 30;
num_1 = 4;
n = 100;
binfunc = @(~)sum(pow2(randperm(bin_len,num_1)-1));
bnout = arrayfun(binfunc,1:n)
dec2bin(bnout(1),bin_len)
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Voss
on 22 Jul 2022
bin_len = 30;
num_1 = 4;
% initialize numeric vector of 30 zeros
bnout = zeros(1,bin_len);
% place ones at 4 random indices
bnout(randperm(bin_len,num_1)) = 1;
disp(bnout)
% if you want a character (instead of numeric) vector
bnout = char(bnout+'0');
disp(bnout)
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