Timeline for metric on ${\bf SPD}_n({\mathbb R})$
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 13, 2017 at 18:58 | comment | added | Suvrit | More precisely: the correct distance is actually $d(A,B)=\|\log(B^{-1/2}AB^{-1/2})\|_F$; since $AB^{-1}$ is not symmetric one has to otherwise take a bit of care when computing $\log$ (intuitively, the distance in question is to be computed via eigenvalues not singular values). | |
| Dec 2, 2014 at 14:39 | vote | accept | Denis Serre | ||
| Dec 2, 2014 at 13:33 | history | edited | Thomas Richard | CC BY-SA 3.0 |
added 36 characters in body
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| Dec 2, 2014 at 13:25 | history | answered | Thomas Richard | CC BY-SA 3.0 |