Misc simulations

Got it working with the following steps:

1. virtualenv env
2. . env/bin/activate
3. pip install -r requirements
4. pip install -e .

If you get

IOError: encoder zip not available

it's because zlib1g-dev is missing. It should have been installed when you installed Pillow, but: destroy the virtualenv, install that using apt-get, then re-setup the virtualenv

• pyplot.imshow() takes in norm, an instance of matplotlib.colors.Normalize which it uses to transform the values at a given spot in the matrix to [0.0..1.0]. It then feeds this value into cmap, an instance of matplotlib.colors.Colormap, to determine what pixel to show