Redcode » Math http://www.redcode.nl Java, algorithms, math and more Fri, 30 Dec 2011 12:21:59 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Math doodling: Vi Hart http://www.redcode.nl/blog/2011/12/math-doodling-vi-hart/?utm_source=rss&utm_medium=rss&utm_campaign=math-doodling-vi-hart http://www.redcode.nl/blog/2011/12/math-doodling-vi-hart/#comments Sat, 03 Dec 2011 18:06:40 +0000 royvanrijn http://www.redcode.nl/?p=971 As you might know I’m a big fan of math contests and basically just math in general. But only as long as it doesn’t involve long/hard equations! Math is all around us, we just don’t see it because we’ve been taught that math equals equations.

There is one person that keeps amazing me with her [...]]]> http://www.redcode.nl/blog/2011/12/math-doodling-vi-hart/feed/ 0 God’s Dice http://www.redcode.nl/blog/2011/05/gods-dice/?utm_source=rss&utm_medium=rss&utm_campaign=gods-dice http://www.redcode.nl/blog/2011/05/gods-dice/#comments Mon, 09 May 2011 08:07:36 +0000 royvanrijn http://www.redcode.nl/?p=806 Yay! There is a new Virtual Source Programming Contest: “God’s Dice”

After a bit of a messy start of the contest, within hours three people had a 100% score (almost, 99.99% due to some rounding errors). This sparked James, the organizer, to change the rules a bit. Now the contest is [...]]]> http://www.redcode.nl/blog/2011/05/gods-dice/feed/ 0 MD5 quine, fixed point http://www.redcode.nl/blog/2010/01/md5-fixed-point/?utm_source=rss&utm_medium=rss&utm_campaign=md5-fixed-point http://www.redcode.nl/blog/2010/01/md5-fixed-point/#comments Tue, 05 Jan 2010 15:04:53 +0000 royvanrijn http://www.redcode.nl/?p=217 Sometimes I let my mind wonder and I get crazy questions. Today was a good example, I encountered a MD5 hash and I started to wonder, would there be a hash which would (when hashed again) be the same?

Thus: MD5(x) = x

This would be a kind of MD5 quine, when fed [...]]]> http://www.redcode.nl/blog/2010/01/md5-fixed-point/feed/ 4