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. λ0 = 2λ = 0,210-4 l/




λ 0 = 2 λ = 0,210-4 l/, λι =0,810- 4 l/ . . (5.55)

(5.55)

:

s 0 = - 2 λ; s 1 = - λ 1; s 2 = 0.

Β (s)

Β (s) = (s + 2 λ) · (s + λ 1) · s = s 3 + (2 λ + λ 1) · s 2 +2 λ × λ 1 · s,

Β '(s)

Β '(s) = 3 s 2 + 2 s (2 λ + λ 1) + 2 λ × λ 1.

Β '(s 0) = 12 λ 2 4 λ (2 λ + λ 1) + 2 λ × λ 1 = 2× λ ×(2 λ - λ 1),

Β '(s 1) = 3 λ 12 - 2 λ 1(2 λ + λ 1) + 2 λ × λ 1 = λ 1×(2 λ - λ 1), Β '(s 2) = 2 λ × λ 1.

, sk B '(sk) (5.56),

(5.56)

(t) = 1 - 2(t),

, 5.1.

(5.58).

(5.58)

5.1.





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