Skip to main content
adam W's user avatar
adam W's user avatar
adam W's user avatar
adam W
  • Member for 11 years, 9 months
  • Last seen more than a week ago
1 vote

reducing invertible matrix in an equation of matrix

1 vote

Eigen Values of Sum of Negative Definite Matrix and a rank-one Positive SemiDefinite Matrix , i.e. ($A+xx^{H}$)

1 vote
Accepted

Convex Combination of Hermitian Matrices

1 vote

Gram Matrices Rank

1 vote
Accepted

Quadratic Matrix Equation

1 vote

Compute Cholesky of $\Sigma^{-1}$ from Cholesky of $\Sigma$

1 vote

Eigenvalues of anti-triangular block matrix

1 vote

Proof of a Determinant Identity

1 vote

Overdetermined linear system

1 vote
Accepted

Is there a quick way to compute the matrix whose column space is the basis of the null space of another matrix?

1 vote

Diagonalizing Matrices

1 vote
Accepted

Recovering matrix elements from a matrix equation

1 vote

Relation between Eigenvalues of a given matrix and another set of rank-one matrices.

1 vote

the determinant of the adjugate matrix removing the last line and the last column

1 vote

Odd or even row dot product based on order of Matrix

1 vote

Necessary conditions for a matrix to have orthonormal eigenvectors?

1 vote
Accepted

SVD for a matrix with a given orthonormal $\mathbf{U}$

1 vote

Known probability for one month, what is the probability for 100 months?

1 vote

$\Delta^d m^n =d! \sum_{k} \left[ m \atop k \right] { {k+n} \brace m + d}(-1)^{m+k}$ Is this a new formula?

1 vote

Rank of a rectangular Vandermonde Matrix to which weighted columns are added

1 vote
Accepted

SVD and how to get two points on a 3D line from the representation of the line by means of two intersecting planes?

1 vote
Accepted

Computing the decay factor for a full rank wide matrix, or finding a unit vector farthest away from a set of spanning unit vectors

1 vote

Computing the decay factor for a full rank wide matrix, or finding a unit vector farthest away from a set of spanning unit vectors

1 vote
Accepted

Transforming matrix-equation to overdetermined minimum problem

1 vote

Showing a Linear Transformation is $0$ through an Inner Product Condition

1 vote
Accepted

RREF Matrix with unknown variable d

1 vote
Accepted

Finding a condition(s) on a left inverse of a tall matrix that makes it unique.

1 vote

Looking for solution of a linear equation (which is a very important lemma in my research).

1 vote
Accepted

Variant of Cholesky Decomposition: solve $B^TB=A$ for general square matrix $A$

1 vote

Eigenvector of a sparse structured matrix corresponding to the eigenvalue 1