Timeline for minimum rank of a general matrix
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 15, 2012 at 11:01 | comment | added | David E Speyer | I hope you won't find it rude if I ask where this problem came from? It perfectly well could be a lemma that came up somewhere, but it would also make a good exercise in an advanced linear algebra course. In the mean time, here is a hint: The anti-symmetrization of $A$ is $A - A^T$. What do you know about $\mathrm{rank}(A+B)$? | |
| Feb 15, 2012 at 10:49 | history | asked | lugica | CC BY-SA 3.0 |