1
23
:
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2013 .
:
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2013 .
2013
1 . 3
2 . 4
3 . 6
4 . 7
5 . 8
6 . 9
: Excel, .
f(x)=0.
1 y=f(x) p1 < x < p2, [p1,p2] [a,b] ( p1 < min a, p2 > max b ). .
2 - e = 0,001 , , .
1 -
| N | f(x)=0 | [a,b] |
| 23. | x tg x -  = 0
| [-2.4;0.57] |
3 e=10-3.
10x1+x2-x3 = 0
-x1-13x2+x3 = 1
4x1+x2+7x3 = 4
4 . f(x). L(x), f(x) x, xk.
2
| f(x) xk | |||||
| xk | 1.00 | 1.06 | 1.12 | 1.19 | |
| f(x) | 1.17 | 1.27 | 1.36 | 1.49 |
f(x)=0.
1 y=f(x) p1 < x < p2, [p1,p2] [a,b] ( p1 < min a, p2 > max b ). .
2 - e = 0,001 .
3 -
| N | f(x)=0 | [a,b] |
| 23. | x tg x - = 0
| [-2.4;0.57] |
1 .
1-
2 .
2 -
f(x)=0.
1 y=f(x) p1 < x < p2, [p1,p2] [a,b] ( p1 < min a, p2 > max b ). .
|
|
|
2 - e = 0,001 .
4 -
| N | f(x)=0 | [a,b] |
| 23. | x tg x - = 0
| [-2.4;0.57] |
3 .
3 -
f(x)=0.
1 y=f(x) p1 < x < p2, [p1,p2] [a,b] ( p1 < min a, p2 > max b ). .
2 - e = 0,001 .
5 -
| N | f(x)=0 | [a,b] |
| 23. | x tg x - = 0
| [-2.4;0.57] |
4 .
4 -
e=10-3.
10x1+x2-x3 = 0
-x1-13x2+x3 = 1
4x1+x2+7x3 = 4
5 .
5 -
f(x). L(x), f(x) x, xk.
6
| f(x) xk | |||||
| xk | 1.00 | 1.06 | 1.12 | 1.19 | |
| f(x) | 1.17 | 1.27 | 1.36 | 1.49 |
6 .
6 -
