Is this matrix diagonalizable?

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SUMMARY

The matrix A = (3 0; 0 3) is diagonalizable because it is already in diagonal form. Since all the eigenvalues are equal (λ = 3), the matrix has a complete set of linearly independent eigenvectors. Therefore, A can be expressed as PDP⁻¹, where P is the matrix of eigenvectors and D is the diagonal matrix of eigenvalues.

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scholesmu
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A= (3 0
0 3 )

why is it diagonalizable?
i'm not sure...
 
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Your matrix is already diagonal-> so i guess it can be diagonalized.
 

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