Consider the initial value problem y² + 2ty -,y(1) = 2. 3 + 1² Jse Euler's method with h = 0.1, 0.05, 0.025, and 0.01 to explore the solution of this problem for 1

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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### Consider the initial value problem

\[ y' = \frac{y^2 + 2ty}{3 + t^2}, \quad y(1) = 2. \]

Use Euler's method with \( h = 0.1, 0.05, 0.025, \) and \( 0.01 \) to explore the solution of this problem for \( 1 \leq t \leq 3 \).

**What is your best estimate at \( t = 3 \)?**

- ○ 112.84
- ○ 38.67
- ○ 238.44
- ○ 65.34
- ○ No reliable estimate is possible.

#### Explanation:

The problem involves solving a first-order ordinary differential equation (ODE) using Euler's method, which is an iterative numerical technique. Euler's method uses a step size \( h \) to approximate the solution of the ODE over a given interval.

For each step of Euler's method:
\[ y_{n+1} = y_n + h f(t_n, y_n) \]
where \( f(t, y) \) is the right-hand side of the ODE, \( h \) is the step size, \( t_n \) is the current time/position, and \( y_n \) is the current solution value.

In this problem, you are to apply Euler's method using different step sizes (\( h = 0.1, 0.05, 0.025, 0.01 \)) to approximate the solution from \( t = 1 \) to \( t = 3 \). Then, you need to determine the best estimate for \( y \) at \( t = 3 \) based on these approximations and choose from the given options.
Transcribed Image Text:### Consider the initial value problem \[ y' = \frac{y^2 + 2ty}{3 + t^2}, \quad y(1) = 2. \] Use Euler's method with \( h = 0.1, 0.05, 0.025, \) and \( 0.01 \) to explore the solution of this problem for \( 1 \leq t \leq 3 \). **What is your best estimate at \( t = 3 \)?** - ○ 112.84 - ○ 38.67 - ○ 238.44 - ○ 65.34 - ○ No reliable estimate is possible. #### Explanation: The problem involves solving a first-order ordinary differential equation (ODE) using Euler's method, which is an iterative numerical technique. Euler's method uses a step size \( h \) to approximate the solution of the ODE over a given interval. For each step of Euler's method: \[ y_{n+1} = y_n + h f(t_n, y_n) \] where \( f(t, y) \) is the right-hand side of the ODE, \( h \) is the step size, \( t_n \) is the current time/position, and \( y_n \) is the current solution value. In this problem, you are to apply Euler's method using different step sizes (\( h = 0.1, 0.05, 0.025, 0.01 \)) to approximate the solution from \( t = 1 \) to \( t = 3 \). Then, you need to determine the best estimate for \( y \) at \( t = 3 \) based on these approximations and choose from the given options.
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