Similar matrices. The square matrix A is said similar to B if there is a matrix P invertible such that A = PBP-¹ This means that the matrices A and B are representing the same operator in different basis. A Some properties : 3) Explain why, if A is similar to B, then Bis similar to A

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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### Similar Matrices

#### Definition:
The square matrix \( A \) is said to be similar to \( B \) if there exists an invertible matrix \( P \) such that:

\[ A = PBP^{-1} \]

This relationship implies that matrices \( A \) and \( B \) are representing the same linear operator, but in different bases.

#### Properties:
1. **To Be Updated**

2. **To Be Updated**

3. **Question:**
   Explain why, if \( A \) is similar to \( B \), then \( B \) is similar to \( A \). 

### Explanation:
The above text defines similarity between matrices and poses a question on the properties of such a relationship, highlighting its bidirectional nature.
Transcribed Image Text:### Similar Matrices #### Definition: The square matrix \( A \) is said to be similar to \( B \) if there exists an invertible matrix \( P \) such that: \[ A = PBP^{-1} \] This relationship implies that matrices \( A \) and \( B \) are representing the same linear operator, but in different bases. #### Properties: 1. **To Be Updated** 2. **To Be Updated** 3. **Question:** Explain why, if \( A \) is similar to \( B \), then \( B \) is similar to \( A \). ### Explanation: The above text defines similarity between matrices and poses a question on the properties of such a relationship, highlighting its bidirectional nature.
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