I have a data set with unequally spaced points: x 0 0.2 0.3 f(x) -2.1 0.3 1.4 I would like to estimate f ′(0.2). Let’s consider h = 0.1 and x0 = 0.2. (a)Derive a second order accurate finite difference method using x0, x0−2h, and x0 + h.  The derivation will involve a Taylor polynomial evaluated at x0−2h and x0+h. Clearly show the error term O(h2) result in your derivation. (b) Apply your finite difference formula to estimate f ′(0.2).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 71E
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I have a data set with unequally spaced points:

x 0 0.2 0.3
f(x) -2.1 0.3 1.4


I would like to estimate f ′(0.2). Let’s consider h = 0.1 and x0 = 0.2.
(a)Derive a second order accurate finite difference method using x0, x0−2h, and x0 + h. 
The derivation will involve a Taylor polynomial evaluated at x0−2h and x0+h.
Clearly show the error term O(h2) result in your derivation.

(b) Apply your finite difference formula to estimate f ′(0.2).

Your formula will take the form:
Af(xo – 2h) + Bf(xo) + C f(xo + h)
-
f'(xo) =
+ O(h?)
Dh
Transcribed Image Text:Your formula will take the form: Af(xo – 2h) + Bf(xo) + C f(xo + h) - f'(xo) = + O(h?) Dh
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