Let f(x) =xe*. a) Find the third Taylor polynomial P(x) for the function f(x) about x; = 0. Use this polynomial to approximate f(0.8). b) Use Taylor's inequality to find the error bound for the truncation error and compare it to the true error. c) Given value f = 0.8, with corresponding error Ar = 0.01, compute the resulting error Af () in the function f(x).
Let f(x) =xe*. a) Find the third Taylor polynomial P(x) for the function f(x) about x; = 0. Use this polynomial to approximate f(0.8). b) Use Taylor's inequality to find the error bound for the truncation error and compare it to the true error. c) Given value f = 0.8, with corresponding error Ar = 0.01, compute the resulting error Af () in the function f(x).
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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please don't use computer.
![Use six decimal digits with rounding in your calculations.
Show all steps of the methods that you used.
Let f(x) = xe*.
a) Find the third Taylor polynomial P(x) for the function f(x) about x; = 0. Use this
1.
polynomial to approximate f(0.8).
b) Use Taylor's inequality to find the error bound for the truncation error and
the true error.
compare
it to
c) Given value = 0.8, with corresponding error AF = 0.01, compute the resulting error
Af (K) in the function f(x).
2.
Use the Bisection Method to locate a root of f(x)= cos(x)-0.7x where x is in radians.
Choose one of the intervals [0 0.5], [0.5 1], [1 1.5] as the initial guess and explain your
choice. Iterate until the approximate relative error &, falls below 1%.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc53ce45e-58f6-4ee8-bbfb-a6b67f0dc7dc%2F61a5ebe7-b5b3-4f06-bc76-7f0ae51b8b6e%2Fahmp5k9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use six decimal digits with rounding in your calculations.
Show all steps of the methods that you used.
Let f(x) = xe*.
a) Find the third Taylor polynomial P(x) for the function f(x) about x; = 0. Use this
1.
polynomial to approximate f(0.8).
b) Use Taylor's inequality to find the error bound for the truncation error and
the true error.
compare
it to
c) Given value = 0.8, with corresponding error AF = 0.01, compute the resulting error
Af (K) in the function f(x).
2.
Use the Bisection Method to locate a root of f(x)= cos(x)-0.7x where x is in radians.
Choose one of the intervals [0 0.5], [0.5 1], [1 1.5] as the initial guess and explain your
choice. Iterate until the approximate relative error &, falls below 1%.
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