.
, , , .
, , (? .).
: ( ).
1. , , ( ).
2. , .
3. - , .
4. , , , .
5. .
- ;
N ;
.
:
> 0 N>K, , .
= 0, N=K ;
<0, N<K .
.
, :
y=b0+∑ni=1bixi
: . 1 +1;-1 = .
2k-m ,
2 ;
k ;
m , .
2k-m , 3,7, 15, 31, 63 ( k ).
bi , . => t , :
bi - tSbi < βi < bi + tSbi
βi - ;
bi - βi;
t ( ( = 5%) + ).
Sbi - bi.
( bi, ).
βi , .
|
|
, .
, , 4.
N=4K 4K-1 , 3,7, 11, 15, 19, 23 ., .
.
, 8 72 . +1;-1. : ; 2 1 / () 1 () . N-2 . -1. N(N-1).
N=8.
X1 | X2 | X3 | X4 | X5 | X6 | X7 | |
+ | + | + | - | + | - | - | |
+ | + | - | + | - | - | + | |
+ | - | + | - | - | + | + | |
- | + | - | - | + | + | + | |
+ | - | - | + | + | + | - | |
- | - | + | + | + | - | + | |
- | + | + | + | - | + | - | |
- | - | - | - | - | - | - |
1 -.
, .
.
, , . . , .
, . , .
: .
, .
.
.
. , .
, 1 , .
, ( 2 ) .
1
y=b0+b1x1+b2x2+
bi.
1 .
2k . .
|
|
, 2k .
1 , k+1 k .
k=2
k=2.
k=3 .
2 .
2 , , 3 .
y=b0+b1x1+b2x2+b12x1x2+b11x12+b22x22
3k . .
.
k<5 2k; k>5, 2k.
, .
k=2.
x0 | x1 | x2 | x1x2 | x12 | x22 | y | ||
2k | + | + | + | + | + | + | y1 | |
+ | - | + | - | + | + | y2 | ||
+ | + | - | - | + | + | y3 | ||
+ | - | - | + | + | + | y4 | ||
+ | +2 | α2 | y5 | |||||
+ | -2 | α2 | y6 | |||||
+ | α2 | y7 | ||||||
+ | α2 | y8 | ||||||
+ | y9 |
22 ( 1,2,3,4) n0 ( 9) 4 ( 3-8) 5(+2;0); 6(-2;0).
2 k=3 23 . .
.
+ : ; , .
.
α :
α | |||
22 | |||
23 | 1,215 | ||
24 | 1,414 | ||
25-1 | 1,547 |
α=1 x1` x2`:
x1`= x12-2/3;
x2`=x22 -2/3.
2 2 .
x0 | x1 | x2 | x1x2 | x12-2/3 | x22-2/3 | y | ||
2k | + | + | + | + | +1/3 | +1/3 | y1 | |
+ | - | - | - | +1/3 | +1/3 | y2 | ||
+ | + | - | - | +1/3 | +1/3 | y3 | ||
+ | - | + | + | +1/3 | +1/3 | y4 | ||
+ | + | +1/3 | -2/3 | y5 | ||||
+ | - | +1/3 | -2/3 | y6 | ||||
+ | + | -2/3 | +1/3 | y7 | ||||
+ | - | -2/3 | +1/3 | y8 | ||||
+ | -2/3 | -2/3 | y9 |
, :
i ;
j ().
2 .
, 2 , .
. , , , , .
|
|
α.
α=2k/4, α=2(k-m)/4.
2 .
2 :
n | n2 | n0 | α | |||
22 | 1,414 | |||||
23 | 1,682 | |||||
24 | ||||||
25 | 2,378 | |||||
25-1 |
2 2 .
x0 | x1 | x2 | x1x2 | x12 | x22 | y | |
+ | + | + | + | + | + | y1 | |
+ | - | + | - | + | + | y2 | |
+ | + | - | - | + | + | y3 | |
+ | - | - | + | y4 | |||
+ | +1,414 | y5 | |||||
+ | -1,414 | y6 | |||||
+ | +1,414 | y7 | |||||
+ | -1,414 | y8 | |||||
+ | y9 | ||||||
+ | y10 | ||||||
+ | y11 | ||||||
+ | y12 | ||||||
+ | y13 |
2 => .