2017-02-16 12:08:13 +0200 | received badge | ● Famous Question (source) |
2016-11-13 01:00:36 +0200 | answered a question | Sage 7.4 : sage -i database_gap hangs For the above problem, I used the Ubuntu 16.04 binary x86_64 distribution of sage 7.4 (from the sage web site). Then I compiled sage 7.4 (2 hours 43 minutes with 4 Intel 6600k cores @ 4.4 GHz with solid state drives), then did a ./sage -i database_gap which completed ok, and was able to access the SmallGroup database with gap.eval ("SmallGroup (1,1)"). So it looks like a problem in the binary distribution. |
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2016-11-12 20:55:57 +0200 | asked a question | Sage 7.4 : sage -i database_gap hangs Using Sage 7.4 on Ubuntu 16.04, x86_64. The above command tries to load database_gap-4.8.3, but hangs after the messages: [database_gap-4.8.3] Installed small group database. [database_gap-4.8.3] Installed prim database. [database_gap-4.8.3] Installed trans database. [database_gap-4.8.3] Installed tomlib database. |
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2016-02-27 00:13:52 +0200 | asked a question | pseudo-inverse of a Zmod(2) matrix I have a 25 x 25 Zmod(2) matrix that is singular, and I would like to find the pseudo-inverse. I haven't found anything yet that will work. Suggestions? |