: ..
: 230202.65
: 0405030025
:
2011.
1
.
1. : , , .
2.
:
y=f(x)
xi | xo | x1 | xn | |
yi | yo= f(xo) | y1= f(x1) | . | yn= f(xn) |
x . f(x) F(x), . F(x) , - . xo, x1,,xn . :
Pn(x) = a0 + a1(x-x0)+a2(x-x0)(x-x1)+L+an(x-x0)(x-x1)L(x-xn-1)
,
x1 - x0 - x2 - x1 - - xn - xn-1 - h
x1 = x0 + ih, h
f(x)
, = ,
, ,
, m
k=0,1.n-m.
,
:
.
1. .
2.
3. x.
3. .
, ,
xi | ||||
yi |
x =0,3.
1.
h=1. ,
, ,
1.
D9 =C10-C9
D9 D10 D11.
D9 E9.
E9 E10.
2. :
, ,
1. 16 9.
2. D16
=D9/$B$5^D8/(D8)
B5 ( F4).
|
|
( Open Office.org Calc FACT).
3. , D16 E16.
, C16:F16
, ,, ,
:
3. x =0,3.
1. 9 ; =D5-B9
2. 10 : =9*($D$5-B10)
3. 10 11.
4. 12 =C16+(D16:F16;H9:H11)
( Open Office.org Calc MMULT).
3.
x=0,3 5,056.
2.