x, . , x y , -. = j(x) . n (xi, yi). , n , (n -1)- . . , j(x) y(x) , j(xi)= y(xi) i = 1,2...,n .
, yi¹j(xi) - yi . yi¹j(xi)+di, di - . , . () . .
. B (i, i). . , j(x) = a0+a1x, j() = 0+1 + 22 .. B j(x) = j(,0,2,...,r). 0,2,...,r , ..
(1.1)
d . :
(1.2)
, j. , , , ( ) () j(x).
j(x) = 0 + 1.
, :
(1.3)
a0=My-a1Mx,
, ;
0 , ,
.
, .
. , , , .
y(x) = j(,0,1), y=b0+b1u. b0 b1 0 1.
1. Y X. 3 :
|
|
1.1
X | Y (1) | Y ( 2) | Y (3) |
122.6 | 123.0 | 121.9 | |
0.05 | 101.3 | 100.4 | 102.4 |
0.10 | 94.6 | 94.9 | 92.9 |
0.15 | 86.7 | 88.3 | 87.7 |
0.20 | 82.1 | 83.7 | 81.8 |
0.25 | 80.4 | 81.6 | 81.2 |
) .
) , X, - Y 3- .
) .
2. , , , .1.2:
1.2
, | P, | ||
0,80 | 0,10 | 0,10 | |
0,20 | 0,70 | 0,10 | |
0,05 | 0,05 | 0,90 |
) .
3. B . C . .
1) 1 2 .
2) 3:
0. P(s) = As3 +Bs2 +D
S | 0.5 | 1.5 | 2.5 | 3.5 | 4.5 | |||||
P | 10.1 | 11.58 | 17.4 | 30.68 | 53.6 | 87.78 | 136.9 | 202.5 |
1. C(s) = As3 /(Bs2 +1)+D
S | 0.5 | 1.5 | 2.5 | 3.5 | 4.5 | |||||
C | 10.1 | 11.58 | 17.4 | 30.68 | 53.6 | 87.78 | 136.9 | 202.5 |
2. G(s) = As2 -B
S | 0.5 | 1.5 | 2.5 | 3.5 | 4.5 | ||||
G | 3.99 | 5.65 | 6.41 | 6.71 | 7.215 | 7.611 | 7.83 | 8.19 | 8.3 |
3. K(s) = As2 /Bs + D
S | 0.1 | 0.5 | 1.5 | 2.5 | 3.5 | 3.5 | |||
2.31 | 2.899 | 3.534 | 4.412 | 5.578 | 6.92 | 8.699 | 10.69 | 13.39 |
4. V(s) = As3 * Bs + D
S | 0.2 | 0.7 | 1.2 | 1.7 | 2.2 | 2.7 | 3.2 |
V | 2.3198 | 2.8569 | 3.5999 | 4.4357 | 5.5781 | 6.9459 | 8.6621 |
5. W(s) = A /(Bs + C)
S | |||||||||
W | 0.529 | 0.298 | 0.267 | 0.171 | 0.156 | 0.124 | 0.1 | 0.078 | 0.075 |
6. Q(s) = As2 + Bs + C
S | 1.25 | 1.5 | 1.75 | 2.25 | 2.5 | 2.75 | |||
Q | 5.21 | 4.196 | 3.759 | 3.672 | 4.592 | 4.621 | 5.758 | 7.173 | 9.269 |
7. Y = x /(Ax - B)
X | 3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 | 3.8 | 3.9 | |
Y | 0.61 | 0.6 | 0.592 | 0.58 | 0.585 | 0.583 | 0.582 | 0.57 | 0.572 | 0.571 |
8. V = 1 /(A + Bu2)
2.5 | 3.5 | 4.5 | 5.5 | ||||||
V | 5.197 | 7.78 | 11.14 | 15.09 | 19.24 | 23.11 | 26.25 | 28.6 | 30.3 |
9. R = At2 + 14,5
t | ||||||||||
R | 2.11 | 5.2 | 11.15 | 19.27 | 26.2 | 30.37 | 32.0 | 33.0 | 33.22 | 33.2 |
10. Z = At4 + Bt3 + Ct2 + Dt + K
|
|
t | 0.66 | 0.9 | 1.17 | 1.47 | 1.7 | 1.74 | 2.08 | 2.63 | 3.12 |
Z | 38.9 | 68.8 | 64.4 | 66.5 | 64.95 | 59.36 | 82.6 | 90.63 | 113.5 |