If $M$ is a diagonal matrix, what is $M^\infty$?
59237
Finding $\lim_{n\to\infty}M^n$ for the diagonal matrix $M$
121062
Given a matrix, is there always another matrix which commutes with it?
17391
Diagonalisation and characteristic polynomial
1770
Matrix $M_1 = M(f', \mathcal{B}, \mathcal{B '})$ of $f$
40222
Matrices that are not diagonal or triangular, whose eigenvalues are the diagonal elements
71833
Are idempotent matrices always diagonalizable?
154640
Do Diagonal Matrices Always Commute?
75215
Properties of invertible matrices
19729
An infinite dimensional limit
75104
Existence of some type matrix
145980
For every matrix $A\in M_{2}( \mathbb{C}) $ there's  $X\in M_{2}( \mathbb{C})$ such that $X^2=A$?
78218
$A \in M_3(\mathbb Z)$ be such that $\det(A)=1$ ; then what is the maximum possible number of entries of $A$ that are even ?
142307
Counting invertible $0$-$1$ matrices that remain invertible under negating the diagonal
118283
Show that if $A^{n}=I$ then $A$ is diagonalizable.
30049
If $T^m$ is diagonalizable for a $m\in\mathbb N$, then $T$ is diagonalizable.
125195
If matrix A is invertible, is it diagonalizable as well?
106584
If $A^{2n}=I$, then $A^n=\pm I$ where $A\in M_n(\mathbb{R})$