Answer by Stabilo for Diagonalizable matrix is similar to non-diagonal matrix???
Well, I figured it out...$D_1$ and $D_2$ have the same eigenvalues as $A$ with the same algebric multiplicity but $D_2$ isn't diagonalizable because geometric multiplicity $\ne$ algebric multiplicity...
View ArticleDiagonalizable matrix is similar to non-diagonal matrix???
$$A= \begin{pmatrix} 1 & 0 & 0 & 0\\ 2 & 3 & 2 & 2\\ 2 & 2 & 3 & 2\\ 2 & 2 & 2 & 3\\ \end{pmatrix}$$I know that the eigenvalues are 1 of geometric...
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