*Important*--a fully worked out example for variable elimination..

Several of you have been asking questions on the details of the variable elimination.

The URL here contains a fully worked out version of the example that the text book has. See if this reduces your confusion:

http://www.cs.uiuc.edu/class/sp08/cs440/notes/varElimLec.pdf

I am also linking it from the lecture notes.

rao