Timeline for Computer algebra errors
Current License: CC BY-SA 4.0
48 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 1 at 10:27 | answer | added | joro | timeline score: 0 | |
| Jun 14, 2023 at 20:51 | comment | added | David Roberts♦ | @ThierryZell perhaps the function first checked the number was odd (eg looked at the smallest binary digit), to sieve out before doing lookups or other more sophisticated tests... :-| | |
| Jun 14, 2023 at 18:22 | answer | added | The Amplitwist | timeline score: 9 | |
| Jun 13, 2023 at 8:15 | answer | added | The Amplitwist | timeline score: 9 | |
| Nov 20, 2022 at 14:24 | answer | added | Humberto José Bortolossi | timeline score: -6 | |
| Dec 3, 2021 at 16:19 | history | edited | YCor | CC BY-SA 4.0 |
removed capitals from title
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| Jun 4, 2019 at 6:20 | answer | added | Wood | timeline score: 6 | |
| May 16, 2017 at 17:33 | answer | added | Brethlosze | timeline score: 7 | |
| Oct 15, 2014 at 3:29 | answer | added | Tadashi | timeline score: 7 | |
| Sep 21, 2014 at 14:04 | comment | added | Carlo Beenakker | mathematica.stackexchange.com/questions/58940/… (designated as a bug by one of the Wolfram developers) | |
| Sep 21, 2014 at 12:47 | answer | added | joro | timeline score: 5 | |
| Jul 16, 2014 at 0:53 | answer | added | Gerry Myerson | timeline score: 6 | |
| Jul 31, 2013 at 15:14 | answer | added | joro | timeline score: 17 | |
| May 11, 2013 at 3:51 | answer | added | Vladimir Reshetnikov | timeline score: 32 | |
| Jul 16, 2012 at 5:46 | comment | added | joro | RE: GRH thue solver. Pari developers are investigating the problem. The thread is here: pari.math.u-bordeaux.fr/archives/pari-dev-1207/msg00008.html. Developer wrote "I do not understand where the problem (missing solution) comes from yet. It looks like a mathematical bug so far...". The pari thue code is relatively small. | |
| Jul 13, 2012 at 5:19 | comment | added | joro | Kevin thanks. pari has unconditional thue solver too (the second thue() in the example) and it agrees with your solutions. pari's GRH conditional solver is faster than the unconditional (in some cases the unconditional might be undoable). Do you happen to know other GRH conditional thue solver implementation? | |
| Jul 11, 2012 at 11:33 | answer | added | joro | timeline score: 4 | |
| May 30, 2012 at 23:10 | answer | added | asmeurer | timeline score: 3 | |
| Mar 7, 2012 at 15:11 | answer | added | David E Speyer | timeline score: 4 | |
| Oct 25, 2011 at 10:50 | answer | added | Jonathan Ringstad | timeline score: 7 | |
| Oct 25, 2011 at 7:20 | answer | added | joro | timeline score: 6 | |
| May 15, 2011 at 6:13 | answer | added | Emanuele Paolini | timeline score: 24 | |
| May 3, 2011 at 0:46 | answer | added | Anixx | timeline score: 2 | |
| Apr 27, 2011 at 16:51 | comment | added | Thierry Zell | Richard's story is really surprising, because all systems I know will look up small primes in a table, so someone left off 2 from that table. It's possible, I guess, but really a silly goof. | |
| Apr 27, 2011 at 10:31 | answer | added | Anixx | timeline score: 13 | |
| Apr 27, 2011 at 10:25 | answer | added | Tobias Kildetoft | timeline score: 18 | |
| Apr 27, 2011 at 8:43 | answer | added | Roland Bacher | timeline score: 1 | |
| Aug 9, 2010 at 21:15 | answer | added | Piero D'Ancona | timeline score: 18 | |
| Aug 9, 2010 at 14:27 | comment | added | Richard Borcherds | This is possibly some sort of record: Richard Parker told me that he once typed "isprime(2)" as his first ever query to a certain computer algebra system, and got the reply "2 is not prime". He also claimed, probably correctly, that he could find a bug in any computer algebra system within 5 minutes. | |
| Jun 10, 2010 at 1:12 | answer | added | Kevin O'Bryant | timeline score: 7 | |
| May 27, 2010 at 17:58 | answer | added | Nate Eldredge | timeline score: 83 | |
| Mar 18, 2010 at 9:31 | answer | added | rgrig | timeline score: 2 | |
| Mar 3, 2010 at 18:27 | answer | added | Kurt | timeline score: 22 | |
| Mar 3, 2010 at 11:39 | answer | added | Tim Campion | timeline score: 4 | |
| Mar 2, 2010 at 21:06 | answer | added | Michael Lugo | timeline score: 5 | |
| Feb 26, 2010 at 15:42 | answer | added | Jan Jitse Venselaar | timeline score: 38 | |
| Feb 17, 2010 at 11:05 | answer | added | Vladimir Dotsenko | timeline score: 30 | |
| Feb 17, 2010 at 5:12 | history | edited | Reid Barton |
edited tags
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| Feb 17, 2010 at 4:22 | answer | added | Jacques Carette | timeline score: 53 | |
| Jan 29, 2010 at 13:15 | answer | added | Harald Schilly | timeline score: 11 | |
| Jan 13, 2010 at 6:16 | answer | added | Victor Liu | timeline score: 6 | |
| Jan 13, 2010 at 2:14 | answer | added | Dan Piponi | timeline score: 232 | |
| Jan 12, 2010 at 20:16 | answer | added | James | timeline score: 5 | |
| Jan 12, 2010 at 15:36 | comment | added | David E Speyer | Judging by the answers below, maybe a better question would be not "What are some bugs?" but "Which websites have the most useful/comprehensive lists of bugs?". | |
| Jan 12, 2010 at 13:09 | answer | added | David Lehavi | timeline score: 12 | |
| Jan 12, 2010 at 12:11 | answer | added | Bruce Arnold | timeline score: 6 | |
| Jan 12, 2010 at 9:55 | answer | added | Kevin O'Bryant | timeline score: 13 | |
| Jan 12, 2010 at 9:50 | history | asked | Kevin O'Bryant | CC BY-SA 2.5 |