The polynomial function f(x) = x² – 3x – 5 has two real zeros. |- (A) Determine (without iterating) which of the two roots will the fixed point iteration using g(x) = -, will converge to assuming a sufficiently close initial guess. Explain why the fixed point will converge to one solution but not the other. (B) For the convergent case, explain whether this fixed point iteration will converge faster or slower than the bisection method.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 51E
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The polynomial function f(x) = x² – 3x – 5 has two real zeros.
|-
(A) Determine (without iterating) which of the two roots will the fixed point iteration using
g(x) = -, will converge to assuming a sufficiently close initial guess. Explain why the fixed
point will converge to one solution but not the other.
(B) For the convergent case, explain whether this fixed point iteration will converge faster or
slower than the bisection method.
Transcribed Image Text:The polynomial function f(x) = x² – 3x – 5 has two real zeros. |- (A) Determine (without iterating) which of the two roots will the fixed point iteration using g(x) = -, will converge to assuming a sufficiently close initial guess. Explain why the fixed point will converge to one solution but not the other. (B) For the convergent case, explain whether this fixed point iteration will converge faster or slower than the bisection method.
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