List questions from matrices | MathQa

Show CA=CB iff A=B

Published on 26 Dec 2024 - 5:28

What is the correct chain rule for composite matrix functions?

Published on 26 Dec 2024 - 12:14

Is the row space of a matrix (order n by m, m < n) of full column rank equal to $\mathbb{R}^m$?

Published on 12 Jan 2025 - 8:30

How to show that if two matrices have the same eigenvectors, then they commute?

Published on 02 Jan 2025 - 4:08

Linear Algebra: Let $w=[1,2,3]_{L_1}$. Find the coordinates of w with respect to $L$ directly and by using $P^{-1}$

Published on 25 Dec 2024 - 20:50

How to prove the cyclic property of the trace?

Published on 03 Jan 2025 - 17:36

Matrix expression manipulation

Published on 03 Jan 2025 - 17:31

Matrix subring isomorphic to $\mathbb{C}$

Published on 02 Jan 2025 - 12:36

Is the ellipsoid $x'Qx < \alpha$ equivalent to $\alpha Q^{-1} - x x' \succ 0$?

Published on 26 Dec 2024 - 10:45

Show that matrix $M$ is not orthogonal if it contains column of all ones.

Published on 29 Dec 2024 - 12:41