4
, 4, x3 , : 12/3 v x1x2x3 = x1x2
4, x2 : /12/3 v /x1/x2/x 3 = /x1/x3
- , , , . , , x1, , , x2/x3.
-, , .
, .
- .
- :
- , , 2;
- , .
n , m m = n - log2M.
- .
, - - x 1 x 2, ˗ x 3 x 4. - (00), (01), (11), (10) ( ). .
f = (f0000 f0001 f0010 f0011 f0100 f0101 f0110 f0111 f1000 f1001 f1010 f1011 f1100 f1101 f1110 f1111), :
x 3 | ||||||
x 4 | ||||||
x 1 | x 2 | |||||
f0000 | f0001 | f0011 | f0010 | |||
f0100 | f0101 | f0111 | f0110 | |||
f1100 | f1101 | f1111 | f1110 | |||
f1000 | f1001 | f1011 | f1010 |
-, 2k × 2l; k, l ∈ N, : ; , .
, , : , ; (0 1), .
|
|
i, σ ∈ {0, 1}, ` xiσ.
` .
-.
- - ( ), .
, : -B , .
-, , .
, f = (1010 0110 0111 1101) .
, -:
-, :
(0 0 − 0) = /x1 /x2 /x4; (0 − 1 0) = /x1 x 3 /x4; (− 0 1 0) = /x2 x 3 /x4;
(− 1 0 1) = x 2/ x 3 x 4; (1 1 0 −) = x 1 x 2 / x 3; (1 0 1 −) = x 1 /x2 x 3;
(1 − − 1) = x 1 x 4
, :
/x1 /x2 /x4 ∨ /x1 x 3 /x4 ∨ /x2 x 3 /x4 ∨ x 2/ x 3 x 4 ∨ x 1 x 2 / x 3 ∨ x 1 /x2 x 3 ∨ x 1 x 4.