Box

class discopy.feedback.Box(name, dom, cod, time_step=0, **params)

Bases: discopy.markov.Box, Diagram

A feedback box is a markov box in a feedback diagram.

Parameters:

• name (str) – The name of the box.

• dom (monoidal.Ty) – The domain of the box, i.e. its input.

• cod (monoidal.Ty) – The codomain of the box, i.e. its output.

• _time_step (int) – The number of times the box has been delayed.

• time_step (int) –

reset()

Reset a box to time step zero, used in Functor.