Theory and Modelling of Liquid Crystals and Electric Fields
A copy of the transparencies is available here in pdf format.
The Maple file that I used during the lectures is available here. If you do not have access to Maple there is a transcript of the file in MS Word format here and a HTML version here.
I have set a couple of questions for you to attempt. The second question requires Maple but if you have access to an alternative maths algebra program such as Mathematica, Mathcad etc. you can reproduce the Maple file and attempt the question.