Changes

* Some notes from the Thursday class can be found [http://a-petrus.blogspot.com/2012/01/jan-26-2012-class-notes.html here] (apetrus)

*[http://www.sendspace.com/file/2pzqbx 26-Jan-2012.mp4] Also if you are interested audio lecture in one file.mp4 (55 mb)<br/>

== Week 4 - Jan 30 ==