2. Solve by Newton Raphson method. (5 iterations) x + In x = 2, Xo = 2 %3D
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Engineering Analysis and Methods
![### Newton-Raphson Method and Newton's Divided Difference Interpolation
#### 2. Solve by Newton Raphson method. (5 iterations)
Given the equation:
\[
x + \ln x = 2, \quad x_0 = 2
\]
Use the Newton-Raphson method to find the solution with 5 iterations.
#### 3. Using Excel and Newton’s Divided Difference Interpolation compute \( f(5.1) \)
Consider the following table of values:
\[
\begin{array}{|c|c|}
\hline
x_j & f_j \equiv f(x_j) \\
\hline
4.0 & 89 \\
\hline
5.0 & 253 \\
\hline
6.0 & 741 \\
\hline
7.0 & 2201 \\
\hline
\end{array}
\]
Use Excel and Newton's Divided Difference Interpolation method to compute \( f(5.1) \).
### Explanation:
1. **Newton-Raphson Method Steps**:
- **Iteration Process**:
- Step 1: Start with the initial guess \( x_0 = 2 \)
- Step 2: Use the formula \( x_{n+1} = x_n - \frac{f(x_n)}{f'(x_n)} \)
- Step 3: Calculate for 5 iterations.
2. **Newton's Divided Difference Interpolation Steps**:
- **Piecewise Polynomial**: Construct a polynomial using the given data points.
- **Divided Differences Table**:
- Create a table to calculate the interpolation polynomial's coefficients.
- **Evaluate Polynomial**:
- Substitute \( x = 5.1 \) into the polynomial to find \( f(5.1) \).
This method is beneficial when the function isn't straightforward, and numerical methods are required to find an accurate solution.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa943e13d-9b32-4dec-a9b8-79b4d44b7d21%2Fd30b8064-8f5b-4549-bebe-1d5538726e13%2Fqeta4k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Newton-Raphson Method and Newton's Divided Difference Interpolation
#### 2. Solve by Newton Raphson method. (5 iterations)
Given the equation:
\[
x + \ln x = 2, \quad x_0 = 2
\]
Use the Newton-Raphson method to find the solution with 5 iterations.
#### 3. Using Excel and Newton’s Divided Difference Interpolation compute \( f(5.1) \)
Consider the following table of values:
\[
\begin{array}{|c|c|}
\hline
x_j & f_j \equiv f(x_j) \\
\hline
4.0 & 89 \\
\hline
5.0 & 253 \\
\hline
6.0 & 741 \\
\hline
7.0 & 2201 \\
\hline
\end{array}
\]
Use Excel and Newton's Divided Difference Interpolation method to compute \( f(5.1) \).
### Explanation:
1. **Newton-Raphson Method Steps**:
- **Iteration Process**:
- Step 1: Start with the initial guess \( x_0 = 2 \)
- Step 2: Use the formula \( x_{n+1} = x_n - \frac{f(x_n)}{f'(x_n)} \)
- Step 3: Calculate for 5 iterations.
2. **Newton's Divided Difference Interpolation Steps**:
- **Piecewise Polynomial**: Construct a polynomial using the given data points.
- **Divided Differences Table**:
- Create a table to calculate the interpolation polynomial's coefficients.
- **Evaluate Polynomial**:
- Substitute \( x = 5.1 \) into the polynomial to find \( f(5.1) \).
This method is beneficial when the function isn't straightforward, and numerical methods are required to find an accurate solution.
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