New posts in matrices

How to find the derivative of the commutator map?

matrices derivatives matrix-calculus

Can an underdetermined system have a unique solution?

linear-algebra matrices

What is the geometric interpretation of matrix addition?

linear-algebra matrices geometric-interpretation

Show that similar matrices have same trace

linear-algebra matrices trace

Why is a positive definite matrix needed in the ellipsoid matrix representation?

linear-algebra matrices analytic-geometry

Proving that a symmetric matrix is positive definite iff all eigenvalues are positive

linear-algebra matrices eigenvalues-eigenvectors diagonalization

Compute Jordan Form of the following matrix

linear-algebra matrices jordan-normal-form

Chain rule and derivative with matrix product?

matrices derivatives matrix-calculus chain-rule hadamard-product

Prove that $AB=BA=0$ for two idempotent matrices.

matrices

Matrices with eigenvalues 0 and 1

calculus linear-algebra matrices eigenvalues-eigenvectors

Help with proving that the transpose of the product of any number of matrices is equal to the product of their transposes in reverse

linear-algebra matrices transpose

Normal but not hermitian nor unitary

linear-algebra matrices

Orthogonal projection matrix

linear-algebra matrices

Find eigenvalue of $B= I + A^{-1}+A^{-2}+A^{-3}+...$

linear-algebra sequences-and-series matrices eigenvalues-eigenvectors matrix-calculus

Matrix Spectral Radius and Induced Matrix Norms

linear-algebra matrices eigenvalues-eigenvectors matrix-norms spectral-radius

Let $A$ be a $2 \times 2$ matrix such that $A^2=I$. Find trace and determinant

linear-algebra matrices eigenvalues-eigenvectors determinant trace

Rank of matrix AB when A and B have full rank

linear-algebra matrices transformation

Skew symmetric matrix of vector

linear-algebra matrices cross-product

Let $A\in M_{n\times n}(\Bbb R)$ so that $I\notin span(A,A^2,...,A^n)$. Prove that $\det(A)=0$.

linear-algebra matrices determinant

Calculating matrix exponential

linear-algebra matrices matrix-calculus matrix-exponential