New posts in Matrix Equations

Solving the matrix equation $X^tA+A^tX=0$ for $X$ in terms of $A$

Solving a complex equation $Ax=b$ with $A,b\in\mathbb C$ using linear algebra

Can the adjugate matrix of $A$ be expressed as a polynomial of $A$?

Find all matrices that commute with $A$

How to follow matrix operations in proofs?

How can I tell if a matrix is diagonalizable knowing only the trace, one eigenvalue, and a result of the characteristic polynomial?

Find a real matrix $B$ such that $B^3 = A$

Find $B=A^2+A$ knowing that $A^3=\begin{bmatrix}4&3\\-3&-2\end{bmatrix}$

Solve the equation $X^2+X=\text{a given matrix}$

Are there uncountably many $A\in M_3 (\mathbb {R})$ such that $A^8=I $?