User Jiro

4 votes

1 answer

58 views

Minimal "dominating" rank-$1$ matrix

asked Mar 12, 2019 at 6:07

3 votes

0 answers

88 views

How to find eigenvalue trajectories under perturbation

asked Apr 17, 2019 at 9:49

3 votes

3 answers

283 views

Solve matrix equation $X A Y + Y A^T X = B$ with diagonal $X$ and $Y$

asked May 8, 2020 at 22:10

3 votes

2 answers

609 views

Polynomial Fit of Rational Function

asked Feb 28, 2016 at 14:29

3 votes

1 answer

249 views

Stable numerical partial fraction decomposition for large scale problem

asked Jun 11, 2017 at 22:25

3 votes

1 answer

313 views

Evaluate accuracy of polynomial root finding

asked Sep 25, 2017 at 15:36

2 votes

0 answers

25 views

Number of combinations in sign matrices with sign non-congruent rows and vectors

asked Dec 3, 2017 at 15:47

2 votes

2 answers

137 views

Substitution in Palindromic Polynomial

asked Dec 22, 2017 at 17:13

2 votes

0 answers

331 views

Ill-conditioned conversion from roots to polynomial coefficients

asked Sep 25, 2017 at 14:34

2 votes

1 answer

68 views

Least Squares Algorithm with Inverse Norm

asked Jul 28, 2016 at 10:25

2 votes

3 answers

155 views

$ \operatorname{rank} \left( A - A^{-1} \right) = n $ for every invertible $n \times n$ matrix $A$?

asked Dec 20, 2020 at 21:35

2 votes

0 answers

44 views

Invertible with unimodular diagonal matrix

asked Dec 21, 2020 at 12:17

2 votes

1 answer

187 views

Commuting with a rank deficient matrix

asked Dec 21, 2020 at 17:21

1 vote

0 answers

23 views

Computational complexity of testing matrix orthogonality

asked Mar 26, 2021 at 10:44

1 vote

0 answers

59 views

Expected Value of Density with Overlap

asked Feb 21, 2016 at 14:09

1 vote

1 answer

89 views

Solvable Lyapunov Equation

asked Dec 16, 2019 at 17:14

1 vote

0 answers

80 views

Propagation of Error for Sum of Reciprocals

asked Mar 27, 2019 at 16:40

1 vote

0 answers

62 views

From non-linear least squares to weighted linear least squares

asked Mar 30, 2019 at 12:27

1 vote

1 answer

97 views

Eigendecomposition Parameterization of Real Matrix

asked Nov 25, 2014 at 19:33

1 vote

1 answer

189 views

Eigenvalue of Unitary Matrix Interpolation within Unit Disk?

asked Dec 4, 2014 at 13:34

1 vote

1 answer

87 views

Matrix Approximation with outer difference

asked Jul 16, 2015 at 12:13

1 vote

0 answers

144 views

Criterion on diagonally similar unitary matrices

asked Oct 9, 2015 at 17:00

1 vote

0 answers

35 views

ODE of implicit function

asked May 21, 2018 at 13:11

1 vote

1 answer

70 views

Characterization of diagonal matrices reducing rank

asked Jan 21, 2019 at 21:31

0 votes

2 answers

167 views

Find Bounds on Polynomial Extrema

asked Mar 5, 2019 at 15:47

0 votes

0 answers

38 views

Bound on sine of sum of angles

asked Mar 11, 2019 at 19:59

0 votes

1 answer

36 views

Optimization of magnitude involved least squares problem

asked Nov 13, 2017 at 19:41

0 votes

0 answers

173 views

Eigenvalue argument of polar decomposition

asked May 23, 2018 at 8:23

0 votes

0 answers

121 views

Frobenius norm equality related to orthogonal projections

asked Jan 15, 2019 at 19:27

0 votes

1 answer

420 views

Irreducible non-symmetric matrix with only real eigenvalues

asked Oct 20, 2015 at 12:21

Stack Exchange Network

36 Questions

Minimal "dominating" rank-$1$ matrix

How to find eigenvalue trajectories under perturbation

Solve matrix equation $X A Y + Y A^T X = B$ with diagonal $X$ and $Y$

Polynomial Fit of Rational Function

Stable numerical partial fraction decomposition for large scale problem

Evaluate accuracy of polynomial root finding

Number of combinations in sign matrices with sign non-congruent rows and vectors

Substitution in Palindromic Polynomial

Ill-conditioned conversion from roots to polynomial coefficients

Least Squares Algorithm with Inverse Norm

$ \operatorname{rank} \left( A - A^{-1} \right) = n $ for every invertible $n \times n$ matrix $A$?

Invertible with unimodular diagonal matrix

Commuting with a rank deficient matrix

Computational complexity of testing matrix orthogonality

Expected Value of Density with Overlap

Solvable Lyapunov Equation

Propagation of Error for Sum of Reciprocals

From non-linear least squares to weighted linear least squares

Eigendecomposition Parameterization of Real Matrix

Eigenvalue of Unitary Matrix Interpolation within Unit Disk?

Matrix Approximation with outer difference

Criterion on diagonally similar unitary matrices

ODE of implicit function

Characterization of diagonal matrices reducing rank

Find Bounds on Polynomial Extrema

Bound on sine of sum of angles

Optimization of magnitude involved least squares problem

Eigenvalue argument of polar decomposition

Frobenius norm equality related to orthogonal projections

Irreducible non-symmetric matrix with only real eigenvalues