2) Consider the following weighted graph: F 8. 9 15 8 12 A E 61 2 G 13 7 10 11 4 17 3 B D 5 2 с Use Kruskal's Algorithm to determine the minimum cost spanning tree for this graph. Then, please draw the tree and give its cost.

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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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### Problem 2: Weighted Graph Analysis

**Task:** Consider the following weighted graph.

**Graph Details:**

- **Vertices:** There are six vertices in the graph, labeled A, B, C, D, E, and F.

- **Edges and Weights:**
  - A to B: 7
  - A to C: 6
  - A to D: 8
  - A to E: 9
  - A to F: 8
  - B to C: 2
  - B to D: 1
  - B to E: 3
  - B to F: 7
  - C to D: 1
  - C to E: 5
  - C to F: 15
  - D to E: 10
  - D to F: 12
  - E to F: 2
  - G to A: 15
  - G to B: 4
  - G to C: 5
  - G to D: 17
  - G to E: 13
  - G to F: 8

**Instructions:**
Use **Kruskal's Algorithm** to determine the minimum cost spanning tree for this graph. Then, draw the tree and provide its cost.

**Explaining Kruskal’s Algorithm:**
1. **Sort** all the edges in non-decreasing order of their weight.
2. **Initialize** the minimum spanning tree with no edges.
3. **Add edges** to the minimum spanning tree, one by one, using the sorted list, making sure no cycles are formed.
4. Stop when there are exactly \( V-1 \) edges in the tree, where \( V \) is the number of vertices in the graph.

**Purpose:**
This exercise will help in understanding how Kruskal’s algorithm can be applied for finding a minimum spanning tree in a graph, which is useful in network design, such as designing least cost networks.
Transcribed Image Text:### Problem 2: Weighted Graph Analysis **Task:** Consider the following weighted graph. **Graph Details:** - **Vertices:** There are six vertices in the graph, labeled A, B, C, D, E, and F. - **Edges and Weights:** - A to B: 7 - A to C: 6 - A to D: 8 - A to E: 9 - A to F: 8 - B to C: 2 - B to D: 1 - B to E: 3 - B to F: 7 - C to D: 1 - C to E: 5 - C to F: 15 - D to E: 10 - D to F: 12 - E to F: 2 - G to A: 15 - G to B: 4 - G to C: 5 - G to D: 17 - G to E: 13 - G to F: 8 **Instructions:** Use **Kruskal's Algorithm** to determine the minimum cost spanning tree for this graph. Then, draw the tree and provide its cost. **Explaining Kruskal’s Algorithm:** 1. **Sort** all the edges in non-decreasing order of their weight. 2. **Initialize** the minimum spanning tree with no edges. 3. **Add edges** to the minimum spanning tree, one by one, using the sorted list, making sure no cycles are formed. 4. Stop when there are exactly \( V-1 \) edges in the tree, where \( V \) is the number of vertices in the graph. **Purpose:** This exercise will help in understanding how Kruskal’s algorithm can be applied for finding a minimum spanning tree in a graph, which is useful in network design, such as designing least cost networks.
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