Provide a class to hold the internal state vector to the compartment model (and track compartment indices).
Class to manage the state of the bucky compartments (and their indices).
Allow for . access to the compartment indices, otherwise return the ‘normal’ attribute.
Allow setting of compartments using . notation, otherwise default to normal attribute behavior.
Init the S compartment such that N=1.
Return the shape of the internal state ndarray.
Return a mostly shallow copy of self but with a zeroed out self.state