We assume that you have installed Matlab on your computer
and that you have installed the laode toolbox using the CDROM 
in your text.  To update these files do the following:

start 	matlab
type 	which laode 

	This command tells you the (laode) directory where 
	laode is stored on your computer.

Then	download the four files (dfield5.m  e12_2_14.pps  
	pline.m  pplane5.m) from the browser directory to the 
	laode directory