# create all logic permutation array

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Nguyen Huy on 11 Aug 2021
Edited: DGM on 12 Aug 2021
how cloud i create all random logic array when the length is known
eg: length=3
arr=[ 1 0 0
0 1 0
0 0 1
1 1 0
0 1 1
1 0 1
1 1 1]
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### Answers (2)

Yazan on 11 Aug 2021
d = (1:2.^3-1)';
b = de2bi(d);
b
b = 7×3
1 0 0 0 1 0 1 1 0 0 0 1 1 0 1 0 1 1 1 1 1
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DGM on 12 Aug 2021
Edited: DGM on 12 Aug 2021
If you don't have the communications toolbox:
n = 3; % number of bits
LUT = dec2bin((0:2^n-1).',3)=='1'
LUT = 8×3 logical array
0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1
Note the bit order. Also, this example includes 0
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