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loup blanc's user avatar
loup blanc's user avatar
loup blanc
  • Member for 13 years, 6 months
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1 vote

Is there any efficient solution of the matrix equation AXB + (AXB)' + cX = D

1 vote

Quadratic matrix equation for $X\in \mathbb{C}^{ n\times p}$ with Hermitian parameters

1 vote

$\sup \left\| A x + B y\right\|_2$ subject to $\left\|x\right\|_2 = \left\|y\right\|_2 = 1$

1 vote

The effect of random projections on matrices

1 vote
Accepted

Geometric mean of two matrices

1 vote

Distinct eigenvalues of the quadratic eigenvalue problem

1 vote

Can the nonlinear matrix equation $Bx=p+\text{sgn}(x)$ have an explicit solution?

1 vote

Rank 1 Approximation of Elementwise Inverse Matrix

1 vote

Find a line such that sum of perpendicular distances of points to the line is minimized

1 vote

Solving $\lambda U^{\dagger}V -\bar{\lambda} V^{\dagger}U = A$

0 votes

Transversality in Morse theory, linear algebra version

0 votes
Accepted

Eigenvalues of the sum of two matrices, where one is $B=\operatorname{diag}(1, 0,\dots,0)$

0 votes

Norm of a matrix operator with a special structure

0 votes
Accepted

Reference for measures of commutativity needed

0 votes

Solving a matrix equation $X=c \cdot AXA' +I$ with a diagonal corrections

0 votes

Are there some algorithms to solve the diagonal matrix $X$ to the following matrix equation?

0 votes

Simultaneous special orthogonal similarity problem

0 votes

$\sup \left\| A x + B y\right\|_2$ subject to $\left\|x\right\|_2 = \left\|y\right\|_2 = 1$

0 votes

Rank of a random matrix

0 votes

Eigenvalue computation using inverse iteration

0 votes

Upper bound on iterations count for power iteration algorithm

0 votes

Condition number of matrix after partial orthogonalization

0 votes

Matrix, singular values, Moore-Penrose-pseudoinverse

0 votes

spectrum of a special class of tridiagonal matrices

0 votes

LU decomposition

0 votes
Accepted

Regularized Gradient with respect to a matrix (with a specific structure)

0 votes
Accepted

Product of matrices equal identity

0 votes

When is $(I - X)^{-\top} \circ X = 0$?

0 votes

Existence of sparse LU decomposition of sparse matrix

0 votes

Condition for a matrix to be a perfect power of an integer matrix