Consider the following equation: x=sin(vx) + 0.5, 0

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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**Problem 4: Root Finding and Aitken's Extrapolation**

Consider the following equation:

\[ x = \sin(\sqrt{x}) + 0.5, \quad 0 \leq x \leq 2 \]

(a) **Fixed-Point Iteration**

Use the fixed-point iteration to find the root of the equation, starting with an initial guess \( x_0 = 1 \). Calculate the iterations up to \( n = 3 \).

(b) **Aitken's Extrapolation**

Use Aitken's extrapolation to compute the value of \( x_3 \).

(c) **Discussion**

Please comment on the effect of the Aitken’s extrapolation method. 

---

In this problem, we are tasked with using numerical methods to approximate the root of a given equation. The equation provided is non-linear, and depending on its nature, analytical solutions might not be straightforward, making numerical solutions preferable. 

**Fixed-Point Iteration** is a procedure where we iterate a function to converge upon a fixed point. This part of the task involves performing mathematical iterations to obtain successive approximations of the root.

**Aitken’s Extrapolation** is a powerful technique used to accelerate the convergence of a sequence. After obtaining initial iterations from the fixed-point iteration method, Aitken’s method can help us reach convergence faster and with higher accuracy.

**Discussion** should focus on the benefits and limitations of using Aitken’s method in enhancing the results from the fixed-point iteration, specifically considering convergence speed and computational efficiency.
Transcribed Image Text:**Problem 4: Root Finding and Aitken's Extrapolation** Consider the following equation: \[ x = \sin(\sqrt{x}) + 0.5, \quad 0 \leq x \leq 2 \] (a) **Fixed-Point Iteration** Use the fixed-point iteration to find the root of the equation, starting with an initial guess \( x_0 = 1 \). Calculate the iterations up to \( n = 3 \). (b) **Aitken's Extrapolation** Use Aitken's extrapolation to compute the value of \( x_3 \). (c) **Discussion** Please comment on the effect of the Aitken’s extrapolation method. --- In this problem, we are tasked with using numerical methods to approximate the root of a given equation. The equation provided is non-linear, and depending on its nature, analytical solutions might not be straightforward, making numerical solutions preferable. **Fixed-Point Iteration** is a procedure where we iterate a function to converge upon a fixed point. This part of the task involves performing mathematical iterations to obtain successive approximations of the root. **Aitken’s Extrapolation** is a powerful technique used to accelerate the convergence of a sequence. After obtaining initial iterations from the fixed-point iteration method, Aitken’s method can help us reach convergence faster and with higher accuracy. **Discussion** should focus on the benefits and limitations of using Aitken’s method in enhancing the results from the fixed-point iteration, specifically considering convergence speed and computational efficiency.
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