x0=0.4,x1=0.5,x3=0.6,
sin0.57891
sin0.57891≈
=
L2(0.57891)
(0.57891 0.5)×(0.57891 0.6)(0.5 0.4)×(0.5 0.6)(0.57891 0.4)×(0.57891 0.5)
×0.47943
+
xf(x)
19
432-11
(1)(2)
f(4.2)
:
(1)
f(xk)1
8
9
14
23
-10
3
128
259
3
-2.75
-8
8.5
34.5
1.875
x0=0.4,x1=0.5,x3=0.6,
sin0.57891
sin0.57891≈
=
L2(0.57891)
(0.57891 0.5)×(0.57891 0.6)(0.5 0.4)×(0.5 0.6)(0.57891 0.4)×(0.57891 0.5)
×0.47943
+
xf(x)
19
432-11
(1)(2)
f(4.2)
:
(1)
f(xk)1
8
9
14
23
-10
3
128
259
3
-2.75
-8
8.5
34.5
1.875
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