New posts in eigenvalues-eigenvectors

An approximate eigenvalue for $ T \in B(X) $.

functional-analysis banach-spaces eigenvalues-eigenvectors hilbert-spaces spectral-theory

Are eigenvalues of the limit of a sequence of matrices limits of eigenvalue sequences?

real-analysis sequences-and-series matrices eigenvalues-eigenvectors

When calculating P, for diagonalization, does the order of eigenvalues matter?

linear-algebra eigenvalues-eigenvectors

Smallest Euclidean norm after matrix multiplication

linear-algebra matrices eigenvalues-eigenvectors vectors singular-values

Existence of eigenvalue when domain and codomain are different

linear-algebra eigenvalues-eigenvectors linear-transformations

Fast way to calculate Eigen of 2x2 matrix using a formula

linear-algebra matrices eigenvalues-eigenvectors

Showing $\det\big[ (B+K)^{-1} (A+K) \big] = O(1) $ when $A,B$ are rank 1 updates of $I_n$ and $K$ is symmetric PD with positive entries

matrices eigenvalues-eigenvectors determinant inverse upper-lower-bounds

Find two $2\times2$ matrices which have the same eigenvalues, but are not similar

linear-algebra matrices eigenvalues-eigenvectors similar-matrices

How do iterative methods applied to the companion matrix of a polynomial $p(\lambda)$ relate to $p$ itself?

polynomials numerical-methods eigenvalues-eigenvectors roots companion-matrices

Eigenvalue of self-adjoint

linear-algebra eigenvalues-eigenvectors inner-products adjoint-operators

If $A^2 = I$, then $A$ is diagonalizable, and is $I$ if $1$ is its only eigenvalue

linear-algebra matrices eigenvalues-eigenvectors diagonalization

Showing a matrix is not diagonalizable

linear-algebra matrices eigenvalues-eigenvectors

Tower of Hanoi sequence via eigendecomposition

linear-algebra sequences-and-series matrices eigenvalues-eigenvectors recurrence-relations

Find out trace of a given matrix $A$ with entries from $\mathbb{Z}_{227}$

linear-algebra matrices eigenvalues-eigenvectors

Eigenvectors and ''eigenrows''

linear-algebra matrices eigenvalues-eigenvectors

What is $C^{-1}$v and how do I prove that $C^{-1}$v is an eigenvector of $C^{-1}AC$

linear-algebra eigenvalues-eigenvectors

Are these square matrices always diagonalisable?

linear-algebra eigenvalues-eigenvectors diagonalization tridiagonal-matrices toeplitz-matrices

How to minimize the Rayleigh quotient to find the smallest eigenvalue during Lanczos iteration?

optimization eigenvalues-eigenvectors numerical-linear-algebra numerical-optimization

How to identify which eigenvectors correspond to generalized eigenvectors?

linear-algebra matrices eigenvalues-eigenvectors generalized-eigenvector

Two matrices that are not similar have (almost) same eigenvalues

linear-algebra matrices eigenvalues-eigenvectors