W x h, i (i = 1, 2,...) j (j = 1, 2,...), . (x,h) . x h {x = i} {h = j}:
x h | y1 | y2 | ym | |
x1 | ||||
x2 | ||||
xn |
.
x {x = i}. , x :
.
5. , (). . ( , )
x h F(x,y)=P , .. (x, h) (x,y) (. .), .. .
:
1. p (x,y) 0
2.
3. p(x,y) = F(x,y)
6. ().
( ) x
.
x (.. ),
, . x - j() ,
h = j(x)
( ), , , .
:
1) C= C (C );
2) (Cx) = Cx C;
3) (x+h) = x + h;
4) (xh) = (x)(h), x h .
7. .
, [a,b],
,
8. ().
x Dx=(x-x)2. s= .
:
. :
Dx=x2(x)2
.
1) DC=0 ( );
|
|
2) D(Cx)=C2Dx;
3) D(x+C)=Dx.
4) x h , D(x+h)=Dx+Dh.