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Emply inverse interpolation to determine the value of x that corresponds to f (x) = 0.85 for the following tabulated data generated with the function x? f(x) = 2 1+x2 1 | 2 3 4 5 f (x) 0.5 0.8 0.9 0.941176 0.961538 (a) Determine the correct value analytically. (b) Use cubic interpolation of x versus y or ƒ(x). Compute the true percent relative error.

Emply inverse interpolation to determine the value of x that corresponds to f (x) = 0.85 for the following tabulated data generated with the function x? f(x) = 2 1+x2 1 | 2 3 4 5 f (x) 0.5 0.8 0.9 0.941176 0.961538 (a) Determine the correct value analytically. (b) Use cubic interpolation of x versus y or ƒ(x). Compute the true percent relative error.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Part b? I have what is attached but don't know where to go from there. I've tried substituting x for 0.85 but this isn't giving the correct answer.

0:85 ~ P3(x) --는 (x-2)(x-s) (x-4) 를 (x-1)lz-s)(x-4) -, (x-1)(x-2)(x-4) 20 o.9411구6 (2-1)(x-2)(x-3)
Transcribed Image Text:0:85 ~ P3(x) --는 (x-2)(x-s) (x-4) 를 (x-1)lz-s)(x-4) -, (x-1)(x-2)(x-4) 20 o.9411구6 (2-1)(x-2)(x-3)
Emply inverse interpolation to determine the value of x that corresponds to f (x) = 0.85 for the following tabulated data generated with the function x? f(x) = 2 1+x2 1 | 2 3 4 5 f(x) 0.5 0.8 0.9 0.941176 0.961538 (a) Determine the correct value analytically. (b) Use cubic interpolation of x versus y or f (x). Compute the true percent relative error. (c) Use inverse interpolation with quadratic interpolation and the quadratic formula. Compute the true percent relative error. (d) Use inverse interpolation with cubic interpolation and bisection. Compute the true percent relative error. (e) Compare the results from (b), (c), and (d) and comment on your findings.
Transcribed Image Text:Emply inverse interpolation to determine the value of x that corresponds to f (x) = 0.85 for the following tabulated data generated with the function x? f(x) = 2 1+x2 1 | 2 3 4 5 f(x) 0.5 0.8 0.9 0.941176 0.961538 (a) Determine the correct value analytically. (b) Use cubic interpolation of x versus y or f (x). Compute the true percent relative error. (c) Use inverse interpolation with quadratic interpolation and the quadratic formula. Compute the true percent relative error. (d) Use inverse interpolation with cubic interpolation and bisection. Compute the true percent relative error. (e) Compare the results from (b), (c), and (d) and comment on your findings.
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