Timeline for Condition of tri-diagonal matrix A such that UAU^t=A for all orthogonal matrix U
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| May 10, 2019 at 2:11 | comment | added | rae hyun kim | Thanks for answer. I totally misunderstood about the diagonal cases. It doesnt hold for even diagonal matrix A, so I need to find other way. | |
| May 6, 2019 at 19:23 | history | edited | Neil Hoffman | CC BY-SA 4.0 |
added 0's to the matrices and mentioned that U was a permutation matrix.
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| May 6, 2019 at 19:10 | review | First posts | |||
| May 6, 2019 at 19:23 | |||||
| May 6, 2019 at 19:06 | history | answered | Christopher Hillenbrand | CC BY-SA 4.0 |