Does this $3\times 3$ matrix exist?
75104
Existence of some type matrix
100656
$2\times2$ matrix $A$ such that $A$ has one independent eigenvector while $A^{2}$ has two independent eigenvectors
100627
for a $3 \times 3$ matrix A ,value of $ A^{50} $ is
52888
Find all values of a for which $\{v_1,v_2,v_3\}$ form a basis for ${\bf R}^3$
96158
What's the associated matrix of this linear operator?
121533
$3\times3$ linear system organization
31186
Hermitian matrix such that $4M^5+2M^3+M=7I_n$
43570
Finding two non-zero matrices where $AX = BA$
27984
Square matrices satisfying certain relations must have dimension divisible by $3$
111366
Does there exist a symmetric matrix $A$ such that $2^{\sqrt{n}}\le |\operatorname{Tr}(A^n)|\le2020 \ \cdot 2^{\sqrt{n}}$ for all $n$
128760
If $A$ and $B$ two $n\times n$ matrix such that $AB=BA$, then $\dim(A\cap B)$?
52564
$m\times n$ matrix with an even number of 1s in each row and column
92267
Adjacency matrix and existence of triangle
128646
$S$ is a $3\times 3$ real matrices. Then $S$ contains which matrices
67990
Commutativity of matrix and its transpose
73677
If the matrix $A^3 = 0$, is $A$ singular?
139201
Finding Jordan basis of a matrix $(4\times 4)$