The following commands are needed at the start of any Maple session for this course. The laylinalg package contains a number of useful commands designed explicitly for use with this course. If your computer does not have the laylinalg package, you can download a copy from http://www.laylinalgebra.com/. This website contains a lot of useful supplements for this text.

> restart;

> with( laylinalg );

Warning, new definition for norm

Warning, new definition for trace

> with( plots );

>

This command will help us to produce more uniform plots.

> opts := style=LINE, view=[0..10,0..10]:

>