Timeline for rank of $ACA^T$
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 10, 2016 at 11:45 | comment | added | Nawaf Bou-Rabee | Since the columns of V (the right singular vectors) form an orthonormal basis for the column space of A', the last condition can be equivalently stated as: the permutation matrix C leaves the column space of A' invariant. If your matrix is invertible, it must be that this condition is satisfied by your C. | |
| Oct 10, 2016 at 9:26 | comment | added | Adam Gal | Thanks! however, that last condition is very much not the situation I have. The thing is that I know the matrix is invertible from other considerations but was trying to give a different proof. | |
| Oct 9, 2016 at 16:48 | vote | accept | Adam Gal | ||
| Oct 9, 2016 at 18:38 | |||||
| Oct 9, 2016 at 12:46 | history | answered | Nawaf Bou-Rabee | CC BY-SA 3.0 |