.
~ ~ ~ ~
(x, h) - , M (x, h)=(M (x), M (h)), .. - .
(x, h) -
y 1 | y 2 | ... | y m | |
x 1 | p 11 | p 12 | ... | p 1 m |
x 2 | p 12 | p 12 | ... | p 2 m |
... | ... | ... | pij | ... |
xn | pn 1 | pn 2 | ... | pnm |
:
, .
.
, .
p (x, h)(x, y)- (x, h),
.
- x, , , .
. . .
(x, h) - ,
D x = M (x - M x)2 = M x 2 - M (x)2, D h = M (h - M h)2 = M h 2 - M (h)2.
.
. , x - h =x 2, h - , x . , . , . , ( ) ( ), , , .
, , .
(x, h)
y 1 | y 2 | ... | y m | |
x 1 | p 11 | p 12 | ... | p 1 m |
x 2 | p 12 | p 12 | ... | p 2 m |
... | ... | ... | pij | ... |
xn | pn 1 | pn 2 | ... | pnm |
x , h yj, .
, h , x xi, .
, x h, .. M (x /h = y) = f 1(y) , , M (h /x = x) = f 2(x).
|
|
f 1(y) x h, f 2(x) - h x.
p (x,h) (x, y) (x,h),
.
x h , , cov(x, h). cov(x, h)= M [(x - M x)(h - M h)] = M (x h) - M x M h.
x h , cov(x,h)=0. , , . . ! , , , .
:
cov(x, x) = D x;
;
;
,
C 1 C 2 - .
(x,h)
.
. (x,h).
, : . , .
, , , , . .
:
;
, .. ;
x h , k (x,h)=0 ( !);
, x h
h = ax + b,
a b- ;
;
.
, (x,h) , .
x | h |
x | h |
x | h |
x
x
x
Mxh=f(y)
h
h
h
Mxh=f(y)