To compute the Taylor series of f(x) = sin(x) about x =, we first need the values f(3) = 1 f"() = 0 f(¹) () = 1 f(6) () = -1 noticing that the odd-order derivatives f(2k+1) () = [ for k= 0, 1, 2. The Taylor expansion of f about x = to n = 7 terms is thus f(x) = If 0≤x≤ then since |f (8) (a) on [0,] is O increasing O decreasing the smallest upper estimate one can obtain from this analysis for f(8) (x) is We can use these results to obtain the estimate +R7. for sin(1). The least upper bound on the error in this approximation, based on the above bound, is given by |R7| ≤
To compute the Taylor series of f(x) = sin(x) about x =, we first need the values f(3) = 1 f"() = 0 f(¹) () = 1 f(6) () = -1 noticing that the odd-order derivatives f(2k+1) () = [ for k= 0, 1, 2. The Taylor expansion of f about x = to n = 7 terms is thus f(x) = If 0≤x≤ then since |f (8) (a) on [0,] is O increasing O decreasing the smallest upper estimate one can obtain from this analysis for f(8) (x) is We can use these results to obtain the estimate +R7. for sin(1). The least upper bound on the error in this approximation, based on the above bound, is given by |R7| ≤
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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