3.7 The derivative of f(x) = 1/(1 – 3x²) is given by %3D 6x (1 — Зх?)2 - Do you expect to have difficulties evaluating this function at x = 0.577? Try it using 3- and 4-digit arithmetic with chopping.

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3.7 The derivative of f(x) = 1/(1 – 3x²) is given by
%3D
6x
(1 – 3x?)?
-
Do you expect to have difficulties evaluating this function at
x = 0.577? Try it using 3- and 4-digit arithmetic with chopping.
Transcribed Image Text:3.7 The derivative of f(x) = 1/(1 – 3x²) is given by %3D 6x (1 – 3x?)? - Do you expect to have difficulties evaluating this function at x = 0.577? Try it using 3- and 4-digit arithmetic with chopping.
3.8 (a) Evaluate the polynomial
y = x' - 7x2 + 8x – 0.35
at x = 1.37. Use 3-digit arithmetic with chopping. Evaluate the
percent relative error.
(b) Repeat (a) but express y as
y = ((x – 7)xr + 8)x – 0.35
-
Evaluate the error and compare with part (a).
Transcribed Image Text:3.8 (a) Evaluate the polynomial y = x' - 7x2 + 8x – 0.35 at x = 1.37. Use 3-digit arithmetic with chopping. Evaluate the percent relative error. (b) Repeat (a) but express y as y = ((x – 7)xr + 8)x – 0.35 - Evaluate the error and compare with part (a).
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