Численные методы. Ч.1. Исследование функций. Буслов В.А - 18 стр.

UptoLike

Составители: 

Рубрика: 

x
0
i
x
i
x
i+1
x
0
i
(x
i
, x
i+1
) . (3)
{x
0
i
, f
i
}
N
i=0
α
1
S(a) + β
1
S
0
(a) = γ
1
, α
2
S(b) + β
2
S
0
(b) = γ
2
,
α
2
i
+ β
2
i
6= 0 , i = 1, 2, a = x
0
, b = x
N
.
f(x)
f(x)
f(x)
S
1
3
(x)
{x
i
, y
i
}
N
0
S
1
3
(x)
S
1
3
(x
i
) = y
i
i =
0 , 1 , . . . , N
S
ν
n
F
F = ν(N 1) + n + 1 = 1(N 1) + 3 + 1 = N + 3 .
(N + 1)
S
1
00
3
(x
0
) = S
1
00
3
(x
N
) = 0
S
1
00
3
(x
0
) = A , S
1
00
3
(x
N
) = B
S
(ρ)
(a) = S
(ρ)
(b) , ρ = 0 , 1 , 2 .
= [a, b] a = x
0
< x
1
< . . . < x
N
= b {y
i
}
N
i=0
F f(x
i
) = y
i
, f
00
(a) = f
00
(b) = 0
S
1
3
F(f) =
b
R
a
(f
00
(x))
2
dx