Timeline for Should the formula for the inverse of a 2x2 matrix be obvious?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Feb 23, 2012 at 3:24 | comment | added | Scott Carter | Yes, it was off by a factor of 2. And I had remembered it incorrectly. I was too lazy to compute it at the time I wrote the post --- the computer was on my lap and the pen was across the room ;). I think that was the point. | |
| Feb 23, 2012 at 3:22 | history | edited | Scott Carter | CC BY-SA 3.0 |
typo corrected
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| Feb 22, 2012 at 22:52 | comment | added | Will Sawin | Isn't that off by exactly a factor of two? Is that the point? | |
| Feb 21, 2012 at 4:57 | history | answered | Scott Carter | CC BY-SA 3.0 |