New posts in matrices

Overcomplete matrix eigendecomposition

matrices eigenvalues-eigenvectors numerical-linear-algebra matrix-decomposition svd

If we have $A = AB$, what can we conclude about $B$?

linear-algebra matrices matrix-rank

Relation between Interior Product, Inner Product, Exterior Product, Outer Product..

linear-algebra matrices terminology vector-spaces

Find the roots of a polynomial using its companion matrix

matrices polynomials eigenvalues-eigenvectors roots companion-matrices

Proof for real Jordan canonical form

linear-algebra matrices jordan-normal-form

$A$ be a $2\times 2$ real matrix with trace $2$ and determinant $-3$

linear-algebra matrices eigenvalues-eigenvectors diagonalization

How many matrices in $M_n(\mathbb{F}_q)$ are nilpotent?

combinatorics matrices

Hessian matrix as derivative of gradient

matrices derivatives definition partial-derivative

What are advantages of quaternion over $3\times3$ rotator matrix for representing arbitrary rotation?

matrices

Show that norm of matrix $A$ is given by the square root of the largest eigenvalue of $A^tA$

linear-algebra matrices eigenvalues-eigenvectors normed-spaces

Singular Value Decomposition of Rank 1 matrix

linear-algebra matrices svd

Sherman-Morrison Formula with Matrices

linear-algebra matrices numerical-linear-algebra

Why are anti-diagonal / persymmetric matrices not as important as diagonal / symmetric matrices?

linear-algebra matrices

Find high powers of a matrix with the Cayley Hamilton theorem

linear-algebra matrices

Relation between the eigenvalues of a matrix A and the eigenvalues of its hermitian and skew-hermitian parts

linear-algebra matrices

Hessian matrix of a quadratic form

matrices multivariable-calculus derivatives quadratic-forms

How to find the orthonormal transformation that will rotate a vector to the x axis?

matrices transformation orthonormal

Number of invertible matrices over finite rings

combinatorics matrices

Necessary and sufficient conditions for a matrix to be a valid correlation matrix.

linear-algebra probability matrices correlation

Spinor Mapping is Surjective

matrices representation-theory lie-groups lie-algebras spin-geometry