Questions about the properties of vector spaces and linear transformations, including linear systems in general.

**4**

**1**answer

### On a special type of normed linear spaces

**1**

**0**answers

### Linear dependence of solution?

**-3**

**0**answers

### A linear algebraic question [on hold]

**-5**

**0**answers

### prove that, for every markov matrix M, there exists a vector x such that Mx = x [on hold]

**-1**

**0**answers

### How to calculate partial derivative of a Hadamard product?

**1**

**1**answer

### Lanczos algorithm for finding $k$ smallest eigenvector

**3**

**3**answers

### Extending a continuous map over projective space

**3**

**1**answer

### If Derivative at each point $x \in \Bbb R^n$ is an orthogonal matrix then $f(x) = Ox +b $ [duplicate]

**-2**

**1**answer

### What can we say about the rank of the sum of a multiple of the identity matrix and a symmetric rank-$1$ matrix? [closed]

**6**

**0**answers

### A linear algebra problem in positive characteristic (2)

**4**

**2**answers

### Can we stay invertible while approximating linear maps in Sobolev spaces?

**17**

**1**answer

### A linear algebra problem in positive characteristic

**4**

**0**answers

### Ref. request: Enumerating elements of Bruhat cells

**2**

**2**answers

### Inverse of matrix $D + ADA^T$

**7**

**1**answer

### Is there any sort of higher-order SVD (quadratic and above) for dimensionality reduction?

**12**

**3**answers

### Determining if some permutation of a vector satisfies a system of linear equations

**5**

**1**answer

### invertible endomorphisms on a space of linear maps between finite-dimensional vector spaces

**0**

**0**answers

### How do we compute the trace over the matrix logarithm $\log((\sigma_2 \otimes I_{n/2})^T\cdot\Omega)$?

**1**

**0**answers

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

**0**

**0**answers

### Blind signal separation for sparse signals [migrated]

**2**

**0**answers

### When does $S \cap GL_4(\mathbb R)$ have precisely two connected components where $S \subset M_4(\mathbb R)$ is a linear subspace?

**0**

**0**answers

### Set of functions orthogonal to $ (a - b x)^{c_n} $ [closed]

**0**

**0**answers

### Integer reduction of a positive semidefinite matrix

**0**

**0**answers

### Simultaneous movement toward barycenters - what can be guaranteed

**4**

**0**answers

### What is the Jarlskog invariant, conceptually?

**5**

**3**answers

### Irreducible representations and invariant subspaces

**1**

**0**answers

### Sufficient conditions for all eigenvalues simple in stochastic matrix

**2**

**0**answers

### Intersection of two varieties in $\mathbf{F}_q^n$

**0**

**0**answers

### Closed-form solution about a matrix factorization problem?

**3**

**1**answer

### Error in Hoffman-Kunze (normal operators on finite-dimensional inner product space with a cyclic vector)

**4**

**1**answer

### Is there a fast algorithm to test positivity of all principal minors of non-symmetric matrix?

**5**

**1**answer

### Numerical minimization spectral norm under diagonal similarity

**0**

**1**answer

### root of identity matrix and lexicographic order

**5**

**2**answers

### Minimize spectral norm under diagonal similarity

**-1**

**0**answers

### Finding numbers that double when you switch the first and last digit [migrated]

**2**

**1**answer

### Is a simple graph matrix the sum of a “shiftordered” matrix and its transposed matrix

**4**

**2**answers

### Is a simple graph the “sum” of a partial order and its dual?

**0**

**0**answers

### norm and conorm of elliptic cocycle be different

**2**

**0**answers

### lower bounding the absolute value of a determinant

**0**

**1**answer

### How to decompose a matrix into its orthogonal and diagonal parts (assuming it has that form)? [closed]

**0**

**0**answers

### Are the integers a vector space or algebra over “some” field or over “some” ring?

**1**

**1**answer

### Is there a generalization of eigenvalues and eigenvectors to tensors?

**2**

**1**answer

### Local-Global Principle in Graph Spectrum

**4**

**0**answers

### Monoid cohomology of $\mathbb{N}$ for a linear algebraic group

**1**

**1**answer

### Conditions to obtain a real logarithm of a unitary unimodular complex matrix?

**2**

**1**answer

### Controlling angles between vectors using sum of subvector angles?

**1**

**0**answers

### Decomposition of Determinant of Sub-Matrices of a Matrix

**1**

**0**answers

### Decomposition of a Matrix by Sparse Matrices

**1**

**0**answers

### find linear approximation of non-linear matrix transform [closed]

**0**

**0**answers