. , , .
F (x) P (x) .
:
1. F (x) , , (1, 4) .
2. , F (x) ³ 0 ; , , , , , F (x) .
3. , , 1 F (x 1) 2 F (x 2):
.
4. P (x i) F (x i) :
,
P (x) .
5. F (x) , .
6. , , , , , P(x), :
7. . , P () , 1:
.
, . , . , , , , , .
:
,
r .
, M (x) :
.
:
1) :
M (a) = a, , = const;
2) :
M (a x) = a M (x);
3) :
M (x + y - z) = M (x)+ M (y) M (z);
4) :
M (x y) = M (x) M (y);
5) :
M [ x M (x)] = 0.
, (1) (4), . :
|
|
, :
:
D ().
:
1) :
D (a) = 0;
2) , :
D (a x) = a 2 D (x);
3)
,
;
4) :
D (x + y z) = D (x)+ D (y)+ D (z);
5) :
D (x) = M (x 2) M 2(x).
, , (1), (4) .
:
.
:
:
,
.
. :
,
, . , , .
( ):
.
, . P ()< 1, . .
(F (x i), P (x i)) : , .
1
- | >0 | ||||
- () | >0 | - | |||
- |
( ) (.9). . 1