Consider a smooth function f(x) with the following values. 3 -1 1 2 x f(x) -1 0 3 -1 (a) Write the polynomial interpolating f(x) at the first three nodes in Lagrange form (b) Use divided differences to find the polynomial p(a) interpolating f(x) in Newton forr (c) Assuming all derivatives of f available, give expression of the interpolation er are an -1, 2 f(t) - p(t) for some t E

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 50E
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Consider a smooth function f(x) with the following values.
3
-1
1
2
x
f(x) -1
0 3
-1
(a) Write the polynomial interpolating f(x) at the first three nodes in Lagrange form
(b) Use divided differences to find the polynomial p(a) interpolating f(x) in Newton forr
(c) Assuming all derivatives of f
available, give
expression of the interpolation
er
are
an
-1, 2
f(t) - p(t) for some t E
Transcribed Image Text:Consider a smooth function f(x) with the following values. 3 -1 1 2 x f(x) -1 0 3 -1 (a) Write the polynomial interpolating f(x) at the first three nodes in Lagrange form (b) Use divided differences to find the polynomial p(a) interpolating f(x) in Newton forr (c) Assuming all derivatives of f available, give expression of the interpolation er are an -1, 2 f(t) - p(t) for some t E
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