Interpolate the function f(x) = 2* over the interval [1,1] by a polynomial (a) Construct the interpolating polynomial p2 (x) of degree n = 2 in the Newton form using uniformly spaced nodes. (b) Find an upper bound for the error |ƒ(x) — p₂(x)| at x = ½. (c) Find an upper bound for the error |f(x) - p₂(x)| on [-1,1]. Note that max |f(x) p₂(x)| ≤ x= [a,b] h³ M3 9√3 2 max f(x) pn(x)| ≤ x= [a,b] where h = (ba)/2 and |f"(x)| ≤ M3 for x = [a, b]. (d) How many equally-spaced nodes are required to interpolate the function f(x) to within € = 0.01? Note that for n > 2, 1 max | f(n+¹) (§) (n + 1)! € [a,b] hn+¹n! 4 where h = (b -a)/n.
Interpolate the function f(x) = 2* over the interval [1,1] by a polynomial (a) Construct the interpolating polynomial p2 (x) of degree n = 2 in the Newton form using uniformly spaced nodes. (b) Find an upper bound for the error |ƒ(x) — p₂(x)| at x = ½. (c) Find an upper bound for the error |f(x) - p₂(x)| on [-1,1]. Note that max |f(x) p₂(x)| ≤ x= [a,b] h³ M3 9√3 2 max f(x) pn(x)| ≤ x= [a,b] where h = (ba)/2 and |f"(x)| ≤ M3 for x = [a, b]. (d) How many equally-spaced nodes are required to interpolate the function f(x) to within € = 0.01? Note that for n > 2, 1 max | f(n+¹) (§) (n + 1)! € [a,b] hn+¹n! 4 where h = (b -a)/n.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 93E
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