2. Determine the values of a and b that lead to the smallest (based on area) convex set E₁ = {(x, y) = R² | a(x)² + b(y)² ≤ 1} E that is such that SCE1.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Please answer question 2

### Optimization Problem on Set \( S \)

Consider the set \( S \), consisting of:
- Points on the line segment \( S_1 \) between \((-1, 0)\) and \( (2, 0) \).
- Points on the line segment \( S_2 \) between \( (0, -1) \) and \( (0, 3) \).

We are focused on the optimization problem:
\[
z^* := \min\{(x - 3)^2 + x^2y^2 + (y - 2)^2 \mid (x, y) \in S\}.
\]

Note that \( z^* \leq 5 \) since \( (x, y) = (2, 0) \) is a feasible solution.

### Tasks

1. **Determine Conditions for SET \( E \):**  
   Define conditions for constants \( a, b, c, \) and \( d \) such that the set:
   \[
   E = \{(x, y) \in \mathbb{R}^2 \mid a(x-c)^2 + b(y-d)^2 \leq 1 \}
   \]
   is convex and \( S \subseteq E \).

2. **Identify Values for SET \( E_1 \):**  
   Find \( a \) and \( b \) for the smallest (in terms of area) convex set:
   \[
   E_1 = \{(x, y) \in \mathbb{R}^2 \mid a(x)^2 + b(y)^2 \leq 1 \}
   \]
   such that \( S \subseteq E_1 \).

3. **Identify Values for SET \( E_2 \):**  
   Find \( a \) and \( b \) for the smallest (in terms of area) convex set:
   \[
   E_2 = \{(x, y) \in \mathbb{R}^2 \mid a(x-1)^2 + b(y-1)^2 \leq 1 \}
   \]
   such that \( S \subseteq E_2 \).

4. **Derive Polyhedron \( P_3 \):**  
   Find a polyhedron \( P_3 \subseteq \mathbb{R}^
Transcribed Image Text:### Optimization Problem on Set \( S \) Consider the set \( S \), consisting of: - Points on the line segment \( S_1 \) between \((-1, 0)\) and \( (2, 0) \). - Points on the line segment \( S_2 \) between \( (0, -1) \) and \( (0, 3) \). We are focused on the optimization problem: \[ z^* := \min\{(x - 3)^2 + x^2y^2 + (y - 2)^2 \mid (x, y) \in S\}. \] Note that \( z^* \leq 5 \) since \( (x, y) = (2, 0) \) is a feasible solution. ### Tasks 1. **Determine Conditions for SET \( E \):** Define conditions for constants \( a, b, c, \) and \( d \) such that the set: \[ E = \{(x, y) \in \mathbb{R}^2 \mid a(x-c)^2 + b(y-d)^2 \leq 1 \} \] is convex and \( S \subseteq E \). 2. **Identify Values for SET \( E_1 \):** Find \( a \) and \( b \) for the smallest (in terms of area) convex set: \[ E_1 = \{(x, y) \in \mathbb{R}^2 \mid a(x)^2 + b(y)^2 \leq 1 \} \] such that \( S \subseteq E_1 \). 3. **Identify Values for SET \( E_2 \):** Find \( a \) and \( b \) for the smallest (in terms of area) convex set: \[ E_2 = \{(x, y) \in \mathbb{R}^2 \mid a(x-1)^2 + b(y-1)^2 \leq 1 \} \] such that \( S \subseteq E_2 \). 4. **Derive Polyhedron \( P_3 \):** Find a polyhedron \( P_3 \subseteq \mathbb{R}^
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