Eigenvalue/vector M^n=PD^nP^-1

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In summary, the matrix equation "Eigenvalue/vector M^n=PD^nP^-1" represents the diagonalization of a matrix M and is significant in finding eigenvalues and eigenvectors. To solve it, you need to find eigenvalues, eigenvectors, and construct matrices D and P. The eigenvalues are the diagonal entries of D. This equation can be used to solve any square matrix with distinct eigenvalues and has various real-world applications in fields such as physics, engineering, and economics. It is commonly used for solving systems of linear differential equations, analyzing dynamic systems, and performing data compression and image processing.
  • #1
Canadian
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Homework Statement



Question.jpg


The Attempt at a Solution



First I found eigenvalues/vectors. Eigenvalues = 0, 3. Associated eigenvectors are (1,2) and (1,1). P= matrix of e. vectors, D = matrix of values.

Work.jpg


Solution.jpg


Not really sure where I'm going wrong, have gone through it a few times, but my answer is only 50% correct according to the computer program.
 
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  • #2
Recalculate the inverse of P. Sign error in row2, column1, it should be 2 and not -2.
 
  • #3
You also have P and P -1 reversed.
 

1. What is the significance of the matrix equation "Eigenvalue/vector M^n=PD^nP^-1"?

The matrix equation "Eigenvalue/vector M^n=PD^nP^-1" is significant because it represents the diagonalization of a matrix M. It allows us to find the eigenvalues and eigenvectors of a matrix, which are important in many applications of linear algebra.

2. How do you solve the matrix equation "Eigenvalue/vector M^n=PD^nP^-1"?

To solve the matrix equation "Eigenvalue/vector M^n=PD^nP^-1", you first need to find the eigenvalues of the matrix M. Then, you can use those eigenvalues to find the corresponding eigenvectors. Finally, you can use the eigenvalues and eigenvectors to construct the diagonal matrix D and the invertible matrix P, which will satisfy the equation.

3. What is the relationship between the eigenvalues of a matrix and the diagonal entries of the matrix D in the equation "Eigenvalue/vector M^n=PD^nP^-1"?

The eigenvalues of a matrix are the diagonal entries of the diagonal matrix D in the equation "Eigenvalue/vector M^n=PD^nP^-1". This means that the eigenvalues and diagonal entries are essentially the same, just represented in different forms.

4. Can the matrix equation "Eigenvalue/vector M^n=PD^nP^-1" be used to solve any matrix?

Yes, the matrix equation "Eigenvalue/vector M^n=PD^nP^-1" can be used to solve any square matrix. However, the matrix must have distinct eigenvalues for the equation to hold true.

5. How is the matrix equation "Eigenvalue/vector M^n=PD^nP^-1" used in real-world applications?

The matrix equation "Eigenvalue/vector M^n=PD^nP^-1" has various applications in fields such as physics, engineering, and economics. It is commonly used to solve systems of linear differential equations, to analyze the stability of dynamic systems, and to perform data compression and image processing.

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