Timeline for Looking for the name of a mathematical symbol that looks remotely like 1 (answer: indicator function)
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 16, 2015 at 9:36 | comment | added | Dirk | In convex analysis the term indicator functions is used for a function that is zero in some set and plus infinity elsewhere. | |
| Aug 16, 2015 at 0:49 | comment | added | AOphagen | Yes, I think when I first saw that symbol, the prof mentioned "indicator function" just once. I forgot. :( Is "indicator function" also used in other circumstances, like "characteristic function". If I learn a word for it now, a nonambiguous one would be much better. | |
| Aug 16, 2015 at 0:44 | comment | added | Tobias Fritz | Another commonly used term for this concept is "indicator function". | |
| Aug 16, 2015 at 0:44 | vote | accept | AOphagen | ||
| Aug 16, 2015 at 0:43 | history | answered | Andreas Blass | CC BY-SA 3.0 |