Timeline for Explaining a comment: Difference between a transformation of points and a transformation of coordinates
Current License: CC BY-SA 3.0
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| Jul 14, 2013 at 19:40 | comment | added | Michael Bächtold | @tanktop: as JDH mentions in the answer you link to, one can think of an automorphism of $V$ as something which "stretches, skews, reflects or rotates" $V$, while a change of of basis leaves $V$ as it was, it only moves the basis (of course that might also be considered as something dynamic). | |
| Jul 14, 2013 at 17:29 | vote | accept | tanktop | ||
| Jul 14, 2013 at 17:28 | comment | added | tanktop | This makes the difference perfectly clear, thank you. Though now I wonder why this difference runs under the description " dynamical perspective", since it seems to me to be a purely algebraic issue...(do you have any ideas concerning this ?) | |
| Jul 14, 2013 at 17:18 | history | answered | Qiaochu Yuan | CC BY-SA 3.0 |