xi, , 䳿, . 2...5 xi.
( ) .
3) , ' .
- , , , , ,
:
1) ;
2) ;
3) , 䳿 .
, .
, , .
, . 2...5. .
, X, . () - , (+1) - X (-1) - X.
(). () , , . , . , . , . - , - .
X (). :
|
|
= ( 0) / Δ, (2.3)
;
;
0 ;
Δ :
Δ = (max min) / 2. (2.4)
, , . 2.1.
2.1.
г | |||||
-1 | +1 | ||||
1 | x1 | ||||
2 | x2 | ||||
3 | x3 |
' , . , . , , ' (). (+1) (1). N k N = 2k. , N = 22 = 4, N = 23 = 8, N = 24 = 16 .
, , (xi), y. 2.2.
2.2. (k=4)
x1 | x2 | x3 | x4 | y | ||
+1 | +1 | +1 | +1 | |||
+1 | -1 | +1 | +1 | |||
-1 | +1 | +1 | +1 | |||
-1 | -1 | +1 | +1 | |||
+1 | + | -1 | +1 | |||
+1 | -1 | -1 | +1 | |||
-1 | + | -1 | +1 | |||
-1 | -1 | -1 | +1 | |||
+1 | + | +1 | -1 | |||
+1 | -1 | +1 | -1 | |||
-1 | +1 | +1 | -1 | |||
-1 | -1 | +1 | -1 | |||
+1 | +1 | -1 | -1 | |||
+1 | -1 | -1 | -1 | |||
-1 | +1 | -1 | -1 | |||
-1 | -1 | -1 | -1 |
, , . . , . , , , .
4) , , . , , , .
|
|
, , :
, (2.5)
. (2.6)
ֳ , bi, bij bii .
5) , .
³ :
, (2.7)
N ; u u- .
:
, (2.8)
xiu i-o u- . :
, (2.9)
xju j- u- .
, ,
, t- `. :
; (2.10)
(2.11)
(2.12)
(2.13)
t - `
(2.14)
, t- t t, 0,05 0,1. . 2.3
2.3 t `
fy | г / | fy | г / | ||||
0,1/0,9 | 0,05/0,95 | 0,02/0,98 | 0,1/0,90 | 0,05/0,95 | 0,02/0,98 | ||
6,31 | 12,7 | 31,82 | 1,80 | 2,20 | 2,72 | ||
2,92 | 4,3 | 6,97 | 1,78 | 2,18 | 2,68 | ||
2,35 | 3,18 | 4,54 | 1,77 | 2,16 | 2,65 | ||
2,13 | 2,78 | 3,75 | 1,76 | 2,14 | 2,62 | ||
2,01 | 2,57 | 3,37 | 1,75 | 2,13 | 2,60 | ||
1,94 | 2,45 | 3,13 | 1,75 | 2,12 | 2,58 | ||
1,89 | 2,36 | 3,00 | 1,74 | 2,11 | 2,57 | ||
1,86 | 2,31 | 2,94 | 1,73 | 2,10 | 2,55 | ||
1,83 | 2,26 | 2,82 | 1,73 | 2,09 | 2,54 | ||
1,81 | 2,23 | 2,76 | 1,73 | 2,09 | 2,53 |
t , :
fy = N - ;
fy = N(r - 1) - ;
fy = M0 1 - .
tp<t, .
6) , Գ .
, (2.15)
- , u ;
- , ;
N ; - b0.
F Գ. :
; (2.16)
S2(y) .
Գ FT 2.4 f. 95% (90%). :
|
|
f = N m. (2.17)
2.4 ³ F - Գ =0,05 ( 95%)
f | f | |||||||||
161,0 | 200,0 | 216,0 | 225,0 | 230,0 | 234,0 | 239,0 | 244,0 | 248,0 | 262,0 | |
18,51 | 19,00 | 19,16 | 19,25 | 19,30 | 19,33 | 19,37 | 19,39 | 19,45 | 19,47 | |
10,13 | 9,55 | 9,28 | 9,12 | 9,01 | 8,94 | 8,84 | 8,78 | 8,66 | 8,58 | |
7,71 | 6,94 | 6,59 | 6,39 | 6,26 | 6,16 | 6,04 | 5,96 | 5,80 | 5,70 | |
6,61 | 5,79 | 5,41 | 5,19 | 5,05 | 4,95 | 4,82 | 4,74 | 4,56 | 4,44 | |
5,99 | 5,14 | 4,76 | 4,53 | 4,39 | 4,28 | 4,15 | 4,06 | 3,87 | 3,75 | |
5,32 | 4,46 | 4,07 | 3,84 | 3,69 | 3,58 | 3,44 | 3,35 | 3,15 | 3,03 | |
4,96 | 4,10 | 3,71 | 3,48 | 3,33 | 3,22 | 3,07 | 2,98 | 2,77 | 2,64 | |
4,54 | 3,68 | 3,29 | 3,06 | 2,90 | 2,79 | 2,64 | 2,54 | 2,33 | 2,18 | |
4,35 | 3,49 | 3,10 | 2,87 | 2,71 | 2,60 | 2,45 | 2,35 | 2,12 | 1,96 | |
4,08 | 3,23 | 2,84 | 2,66 | 2,45 | 2,34 | 2,18 | 2,08 | 1,84 | 1,96 | |
3,94 | 3,09 | 2,70 | 2,46 | 2,30 | 2,19 | 2,03 | 1,92 | 1,68 | 1,48 | |
∞ | 3,84 | 2,99 | 2,60 | 2,37 | 2,21 | 2,09 | 1,91 | 1,83 | 1,57 | 1,35 |
г , Fp < Ft. , . , .
7) . . , : (+) , , () , . , . , , bi (+), , , bi (), . .
(+) 䳿 , , , () , , .
1
: , , .