Forum: chalsall
2022-05-31, 07:01
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Replies: 46
Views: 3,026
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Forum: chalsall
2022-05-31, 06:23
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Replies: 46
Views: 3,026
I remember Desktops like Gnome and KDE, but I...
I remember Desktops like Gnome and KDE, but I have long stopped using those, simply because there is too much going on under the hood. The idea is that when there seems to be nothing to do, CPU...
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Forum: CADO-NFS
2021-10-22, 06:24
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Replies: 3
Views: 653
If you have -march specified in your CFLAGS,...
If you have -march specified in your CFLAGS, CXXFLAGS, CPPFLAGS, e.g. -march=haswell, and your build machine does not support that (e.g. because it is -march=sandybridge), then some autoconfiguration...
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Forum: Factoring
2021-03-03, 17:29
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Replies: 18
Views: 4,910
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Forum: Factoring
2021-03-03, 15:00
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Replies: 18
Views: 4,910
Better look at the more recent draft...
Better look at the more recent draft (https://www.math.uni-frankfurt.de/~dmst/teaching/WS2019/SVP9.pdf). I do not consider it likely that Schnorr himself would have posted such an outdated (and...
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Forum: Msieve
2020-09-27, 18:49
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Replies: 2
Views: 3,210
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Forum: Math
2018-09-24, 19:49
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Replies: 20
Views: 4,428
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Forum: Linux
2016-05-11, 15:40
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Replies: 11
Views: 3,536
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Forum: Puzzles
2012-10-31, 16:48
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Replies: 43
Views: 3,471
For r < 2^16, seems to need extra bytes for...
For r < 2^16, seems to need extra bytes for fractional parts and uses too many steps.
For r > 2^16 (ok, ok...) accuracy degrades (in terms of absolute pixel distance).
But slick, yes, in the...
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Forum: Puzzles
2012-10-26, 04:33
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Replies: 43
Views: 3,471
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Forum: Puzzles
2012-10-23, 18:20
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Replies: 43
Views: 3,471
I used that simple recipe too, in school times,...
I used that simple recipe too, in school times, for a computer game, with a gravitational law instead of this linear one. No overall energy leaks, no problem.
Half a decade later I learned that it...
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Forum: Computer Science & Computational Number Theory
2012-08-02, 22:01
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Replies: 103
Views: 13,875
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Forum: Factoring
2012-04-04, 23:09
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Replies: 7
Views: 1,983
Nice one, except that there is still one...
Nice one, except that there is still one (potentially shorter) division by a when calculating p.
You should add r >= 0 as a condition. For r = 0, the polynomial in x reduces to the empty sum, i. e....
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Forum: Factoring
2012-04-04, 22:00
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Replies: 7
Views: 1,983
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Forum: Programming
2012-03-19, 19:01
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Replies: 14
Views: 4,098
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Forum: Programming
2012-03-13, 13:49
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Replies: 14
Views: 4,098
There are no -L flags in the link line. Add...
There are no -L flags in the link line. Add CPPFLAGS=-I/opt/local/include LDFLAGS=-L/opt/local/lib to your ./configure command. (Replace /opt/local with your MacPorts prefix.) Another option: Use...
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Forum: Programming
2012-03-12, 09:56
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Replies: 14
Views: 4,098
Inspecting config.log should clarify this.
...
Inspecting config.log should clarify this.
If so, then the MacPorts port of inkscape should pass this stage.
(MacPorts sets CPPFLAGS and LDFLAGS or C_INCLUDE_PATH and LIBRARY_PATH with...
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Forum: Puzzles
2012-02-21, 00:19
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Replies: 18
Views: 3,428
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Forum: Puzzles
2012-02-21, 00:00
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Replies: 18
Views: 3,428
Assuming a polygonal number...
Assuming a polygonal number (https://en.wikipedia.org/wiki/Polygonal_number) P(s,i)=\frac{1}{2}\left((s-2)i^2 - (s-4)i\right) of glasses at level i, with s the same constant for all levels, you would...
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Forum: Puzzles
2012-02-20, 23:13
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Replies: 18
Views: 3,428
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Forum: Lounge
2012-02-07, 00:12
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Replies: 1,393
Views: 116,653
Elsevier
Researchers boycotting Elsevier, demanding a policy change towards easier access:
The Economist: Scientific publishing: The price of information (http://www.economist.com/node/21545974)
Found...
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Forum: Puzzles
2012-02-05, 16:23
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Replies: 4
Views: 1,142
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Forum: Math
2012-01-29, 11:30
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Replies: 2
Views: 1,883
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Forum: Twin Prime Search
2012-01-25, 19:23
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Replies: 2
Views: 8,047
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Forum: Miscellaneous Math
2012-01-24, 07:22
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Replies: 34
Views: 3,745
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