Using the following finite difference methods to estimate the first derivative of the function f(x) = Over the range 0 < x < 2 with step size h = 0.5. Then compare your numerical approximations from each method with the analytical solution by computing the relative error at each value of x. = e-* cos 2tx Forward difference, 0(h) b. Backward difference, 0(h) Central difference, 0(h²) а. С. d. Build a table of relative errors to check the accuracy of your solutions against the analytical solution.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
Using the following finite difference methods to estimate the first derivative of the function

\[ f(x) = e^{-x} \cos 2\pi x \]

Over the range \( 0 \leq x \leq 2 \) with step size \( h = 0.5 \). Then compare your numerical approximations from each method with the analytical solution by computing the relative error at each value of \( x \).

a. Forward difference, \( O(h) \)

b. Backward difference, \( O(h) \)

c. Central difference, \( O(h^2) \)

d. Build a table of relative errors to check the accuracy of your solutions against the analytical solution.
Transcribed Image Text:Using the following finite difference methods to estimate the first derivative of the function \[ f(x) = e^{-x} \cos 2\pi x \] Over the range \( 0 \leq x \leq 2 \) with step size \( h = 0.5 \). Then compare your numerical approximations from each method with the analytical solution by computing the relative error at each value of \( x \). a. Forward difference, \( O(h) \) b. Backward difference, \( O(h) \) c. Central difference, \( O(h^2) \) d. Build a table of relative errors to check the accuracy of your solutions against the analytical solution.
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