.
.
.
xi yi.
(1 2) y = C1 + C2 x, . , (.. ). J .
.
1.
i | |||||
x | 0,0 | 1,0 | 2,0 | 3,0 | 4,0 |
y | 0,0 | 1,0 | 8,0 | 27,0 | 64,0 |
5. ( . 2.1. ).
(2.5):
J(C1, C2 ) = min.
.
(2.9) J
=0, =0,
= = - 2 (),
- 34 -
= - 2 (),
..
- 2 () =0,
- 2()=0
C1 ·5 + C2 ,
C1 .