These notes were handed out on October 23 Tuesday,
but you can also read them online here
or (if necessary) print out a copy on your own.
See the downloading help
if you have trouble reading the files.
Go back to the course homepage.
This web page and the files linked from it
were written between 2003 and 2018 by Toby Bartels,
last edited on 2018 October 24.
Toby reserves no legal rights to them.
The permanent URI of this web page