List questions from matrix-decomposition

Published on 25 Mar 2026 - 19:10

69

Views

Does $v^Tw>0$ imply that $\exists A>0$ such that $v=Aw$?

Published on 02 Apr 2026 - 3:53

176

Views

In QR decomposition, why do we get a triangular matrix?

Published on 02 Apr 2026 - 18:45

269

Views

Advanced Book on Linear Algebra

Published on 05 Apr 2026 - 22:36

101

Views

quasi-PCA reconstruction of the matrix by orthogonal basis

Published on 26 Mar 2026 - 8:03

88

Views

Is this Gram Schmidt?

Published on 30 Mar 2026 - 20:50

60

Views

Column space of a linear model

Published on 02 Apr 2026 - 6:06

137

Views

Do positive semidefinite matrix have LU decomposition?

Published on 25 Mar 2026 - 17:26

92

Views

Invertibility of $A-\Delta Id$.

Published on 01 Jul 2022 - 13:53

50

Views

Does an orthogonal matrix always conmutes or anticonmutes with a matrix $J$ such that $J^2=-I$?

Published on 26 Mar 2026 - 6:21

779

Views

Rotation matrix decomposition into mixed local/global Euler angles

Published on 26 Mar 2026 - 1:27

50

Views

How is $W = \frac{1}{2}(W+W^T)$ although $W$ is not necessarily symmetric?

Published on 25 Mar 2026 - 23:10

188

Views

Cholesky inverse

Published on 02 Apr 2026 - 7:42

179

Views

Could the product of a skew-symmetric matrix and an invertible matrix be nilpotent?

Published on 12 Jul 2022 - 13:00

96

Views

Show that no $n \times n$ real matrix $A^2$ can be a diagonal matrix with distinct negative entries

Published on 13 Jul 2022 - 21:47

List Question

Cholesky decomposition of a strictly diagonaly dominant symmetric matrix

Does $v^Tw>0$ imply that $\exists A>0$ such that $v=Aw$?

In QR decomposition, why do we get a triangular matrix?

Advanced Book on Linear Algebra

quasi-PCA reconstruction of the matrix by orthogonal basis

Is this Gram Schmidt?

Column space of a linear model

Do positive semidefinite matrix have LU decomposition?

Invertibility of $A-\Delta Id$.

Does an orthogonal matrix always conmutes or anticonmutes with a matrix $J$ such that $J^2=-I$?

Rotation matrix decomposition into mixed local/global Euler angles

How is $W = \frac{1}{2}(W+W^T)$ although $W$ is not necessarily symmetric?

Cholesky inverse

Could the product of a skew-symmetric matrix and an invertible matrix be nilpotent?

Show that no $n \times n$ real matrix $A^2$ can be a diagonal matrix with distinct negative entries

Trending Questions

Popular # Hahtags

Popular Questions