Florian's user avatar
Florian's user avatar
Florian's user avatar
Florian
  • Member for 9 years, 4 months
  • Last seen more than a week ago
16 votes
Accepted

How to inverse a block diagonal matrix?

5 votes
Accepted

Invert a symmetric banded matrix

5 votes

Left/Right Eigenvectors

5 votes

Notation for removal of row / column from matrix

5 votes
Accepted

Differentiation wrt matrix involvoing Khatri-rao product

5 votes

How is the multiplication between a multidimensional tensor with a matrix defined?

5 votes
Accepted

The Moore-Penrose inverse of a Kronecker product

4 votes

The relationships between Prime number and Fibonacci number

4 votes
Accepted

Correct notation for broadcasting operation

4 votes
Accepted

What is the smallest value of $x^x$ between $0$ and $1$?

4 votes
Accepted

Is it possible for the sum of even and neither odd nor even function to be even or odd?

3 votes
Accepted

Is it possible to transpose a square matrix by multiplication?

3 votes

Help with Singular Value Decomposition

3 votes
Accepted

Can permutation similarities change order of Kronecker products?

2 votes

AXBYC matrix product find XY

2 votes
Accepted

Relation between angles and sides of an Isosceles triangle

2 votes

Computing columns of a pseudo-inverse

2 votes

Solving polynomial problems with matrices and vectors

2 votes

Linear Algebra: How to interpret vectors and equations of a system of equations?

2 votes
Accepted

How to find the frequencies, amplitudes, and initial phases of the original signals from a sum of the signals?

2 votes
Accepted

Bounds on the coherence of very flat matrices (that are more tight than the Welch bound)

2 votes

if hermitian matrices can not have complex eigen values, then what is this? kindly explain

2 votes
Accepted

For what values of $s$ and $t$ is the matrix negative semidefinite?

2 votes

What is the rank of correlation matrix and its estimate?

2 votes
Accepted

Infer signs of generalized eigenvalues of $(A,B)$ for real $PSD$ $ A$ and real symmetric $B$

2 votes

Multiplying every element in Covariance matrix

2 votes
Accepted

Does this matrix identity hold? (Left and right-product with diagonal matrix)

2 votes
Accepted

Efficiently compute matrix vector product $\mathbf{A} \mathbf{b}$ given product $\mathbf{A} \mathbf{c}$ with same matrix but different vector

2 votes
Accepted

What can we say about two bases A and B for which the conversion matrix to a third base C is the transpose of the other

2 votes
Accepted

The derivative of complex quadratic form