: .
2. .
, f(x) [ a, b ]. x = j(t).
1) j(a) = , j(b) = b;
2) j(t) j¢(t) [ a, b ];
3) f(j(t)) [ a, b ], .
:
3. .
: .
: = = =
= + =0.
, , , , .
[ a, b ] f(x).
[ a, b ] n , , x1, x2, xn . , .
, , , , .
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: n , .
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( )
f(x), [ a, b ], , . [ a, b ] (2m).
, f(x) , , OY , f(x0), f(x1), f(x2).
.
|
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Ax2 + Bx + C,
, , .
, , :
(1)
0 = -h, x1 = 0, x2 = h, (2)
S (1):
C : .
(2) :
:
...
, :
:
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, 10 . :
m | |||||||||||
x | -2 | -1 | |||||||||
f(x) | 2.828 | 3.873 | 4.123 | 4.899 | 6.557 | 8.944 | 11.874 | 15.232 | 18.947 | 22.978 |
: 91.173.
.