Tested under:
  Python 3.4.0 with NumPy 1.8.2, SciPy 0.13.3, matplotlib 1.3.1 (Ubuntu 14.04 LTS)

Recommended:
  ParaView (version >= 4.2.0 to use given .pvsm state files)

Instructions:  
  Samples to be run: condenser2d, Poisson2d, elasticity2d, elasticity3d, ...
  Under ipython3 and 
    %run samples/condenser2d.py 
    %run samples/Poisson2d.py
  With python3
    python3 samples/condenser2d.py
    