jakab922

This is really basic. Noone(who uses the subject) should need a cheat sheet for this... Also there are really good books out there and linalg is a must nowdays. As for textbook: http://www.amazon.com/Linear-Algebra-Right-Undergraduate-Mat... As for reference: http://www.amazon.com/Matrix-Analysis-Roger-Horn/dp/05213863...

Best post ever. :)

If you drop the open source requirement you can get aiSee( http://www.aisee.com/ ) for non-commercial use for the popular platforms. I like this better than graphviz.

You might find this interesting as a testbed -> http://www.facebook.com/careers/puzzles.php?puzzle_id=17

How is this different from a trie? (http://en.wikipedia.org/wiki/Trie)