A solution to the 12 coins problem: 1 L-- 2 LL- 3 LR- 4 L-L 5 R-L 6 RRR 7 RLR 8 RLL 9 --R 10 L 11 -RR...
A solution to the 12 coins problem:
1 L--
2 LL-
3 LR-
4 L-L
5 R-L
6 RRR
7 RLR
8 RLL
9 --R
10 L
11 -RR
12 -RL
#cleaningscrapsofpaperoffmydesk
Syndicated 2012-12-06 03:20:14 from David Barksdale - Google+ Posts
If you have a unit interval and you want to know how many ways you can divide it such that division marks...
If you have a unit interval and you want to know how many ways you can divide it such that division marks are at m/2^n and the divisions are sorted from smallest to largest, use this recurrence relation:
a[0] = 1
a[n] = 1 + sum_{i=0}^{n-1} {2^(i(n-i-1))a[i]}
#cleaningscrapsofpaperoffmydesk
Syndicated 2012-12-06 03:01:38 from David Barksdale - Google+ Posts
If you have an n by m grid of points, you can connect 4 points to make a square in (2mn^3-2mn-2n^4+n^...
If you have an n by m grid of points, you can connect 4 points to make a square in (2mn^3-2mn-2n^4+n^2)/12 different ways.
#cleaningscrapsofpaperoffmydesk
Syndicated 2012-12-06 02:52:15 from David Barksdale - Google+ Posts
Apparently Rosencrantz was flipping a coin with Bose-Einstein statistics.
Apparently Rosencrantz was flipping a coin with Bose-Einstein statistics.
 |
This Quantum World | Quantum coins and quantum dice A comparison of the behavior of ordinary coins and dice with that of quantum coins and dice (bosonic as well as fermionic). |
Syndicated 2012-11-29 18:35:29 from David Barksdale - Google+ Posts
I remember seeing this comet at the McDonald Observatory.
I remember seeing this comet at the McDonald Observatory.
 |
Comet Hyakutake - Wikipedia, the free encyclopedia Hyakutake became visible to the naked eye in early March 1996. By mid-March, the comet was still fairly unremarkable, shining at 4th magnitude with a tail about 5 degrees long. As it neared its closes... |
Syndicated 2012-11-28 19:46:45 from David Barksdale - Google+ Posts
I believe his point about just-in-time delivery making our industry very fragile.
I believe his point about just-in-time delivery making our industry very fragile.
Syndicated 2012-11-26 04:05:23 from David Barksdale - Google+ Posts
Good work Max. This was a fun problem to work on.
Good work Max. This was a fun problem to work on.
Decentralized Evaluation of Regular Expressions for Capability Discovery in Peer-to-Peer Networks | GNUnet
Syndicated 2012-11-15 16:46:32 from David Barksdale - Google+ Posts
Powers of 3 are very pretty.
Powers of 3 are very pretty.
Animated Factorization Diagrams – Data Pointed
About.
Syndicated 2012-11-15 14:58:23 from David Barksdale - Google+ Posts
Fabbing a chip that could encode data in a twisted vortex of light
Fabbing a chip that could encode data in a twisted vortex of lightSyndicated 2012-10-30 19:38:11 from Google+ List of Activities for Collection PUBLIC
We are internationally wireless! – Blog – wlan slovenija
We are internationally wireless! – Blog – wlan slovenijaSyndicated 2012-10-30 19:21:49 from Google+ List of Activities for Collection PUBLIC
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
Keep up with the latest Advogato features by reading the Advogato status blog.
If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!
