1. (a) Approximate f(x) = (1+z) by finding Ts(r) (the 5th degree Taylor polynomial of f) centered at 0. (b) Find the remainder Rs(z) for the above approximation and use this to show Ts(r) is not actually an approximation of f(x), but it is in fact exactly f(z); that is, Ts(x) = f(x). (c) Consider instead g(x) = (1+z)5/2, Find Rs(r) of g(x) and use this to show Ts(z) centred at 0 is not exactly g(x). (You only need to find Rs(z), not Ts(z)). Furthermore, deduce that for z € [-0.5, 0.5] the absolute error in using Ts(z) to approximate g(z) is bounded by . 8192
1. (a) Approximate f(x) = (1+z) by finding Ts(r) (the 5th degree Taylor polynomial of f) centered at 0. (b) Find the remainder Rs(z) for the above approximation and use this to show Ts(r) is not actually an approximation of f(x), but it is in fact exactly f(z); that is, Ts(x) = f(x). (c) Consider instead g(x) = (1+z)5/2, Find Rs(r) of g(x) and use this to show Ts(z) centred at 0 is not exactly g(x). (You only need to find Rs(z), not Ts(z)). Furthermore, deduce that for z € [-0.5, 0.5] the absolute error in using Ts(z) to approximate g(z) is bounded by . 8192
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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