Timeline for Matrix equation $P^TAP=A$
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 24, 2021 at 8:37 | vote | accept | user46230 | ||
| S Jun 23, 2021 at 21:52 | history | suggested | Ali Taghavi |
I add a tag linear algebra
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| Jun 23, 2021 at 21:51 | answer | added | Dima Pasechnik | timeline score: 3 | |
| Jun 23, 2021 at 21:36 | review | Suggested edits | |||
| S Jun 23, 2021 at 21:52 | |||||
| Jun 23, 2021 at 21:35 | answer | added | Steve | timeline score: 2 | |
| Jun 23, 2021 at 21:30 | comment | added | Ali Taghavi | Two comments: All invertible $P$ with this property is a group. The second comment:the expresion $P^TAP$ instead of $P^{-1}AP$ remind me of the following: after change of coordinate with linear part $P$ the first fundamental form of the surface would be replaced by $P^T\mathcal{F}P$ instead of $P^{-1}\mathcal{F}P$. | |
| Jun 23, 2021 at 21:05 | history | asked | user46230 | CC BY-SA 4.0 |