(.. b), . , , , -1b , .. .
b
, 1 28 . ? =-1 b .
, - . 24 ..
2 8 , 1 24 , .
, s 4 =-1. - -. , - 1.1 .
z | x1 | x2 | s1 | s2 | s3 | s4 | |||
z | 1 | 0 | 0 | 3/4 | 1/2 | 0 | 0 | 22 | |
1 | 0 | 1 | 0 | 1/4 | -1/2 | 0 | 0 | 2 | |
2 | 0 | 0 | 1 | -1/8 | 3/4 | 0 | 0 | 3 | |
s3 | 0 | 0 | 0 | 3/8 | -5/4 | 1 | 0 | 0 | |
s4 | 0 | 0 | 0 | 1/8 | -3/4 | 0 | 1 | -1 |
- s 4, s 2. - . ( ).
z | x1 | x2 | s1 | s2 | s3 | s4 | |||
z | 1 | 0 | 0 | 5/6 | 0 | 0 | 2/3 | 64/3 | |
1 | 0 | 1 | 0 | 1/6 | 0 | 0 | -2/3 | 8/3 | |
2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | |
s3 | 0 | 0 | 0 | 1/6 | 0 | 1 | -5/3 | 5/3 | |
s 2 | 0 | 0 | 0 | -1/6 | 1 | 0 | -4/3 | 4/3 |
b
(.. b ) , .
b
, =-1 b 1 >=0. :
. b 1 : .
b 2
|
|
. b 2 : .
, 1, .
b i , bi ( ) .
, . , , - .
, , , , , , -, .