The article wasn’t doing that, and specifically distinguished poles from zeroes: >> Control theorists like to classify the behaviour of dynamical systems base

The article wasn’t doing that, and specifically distinguished poles from zeroes: >> Control theorists like to classify the behaviour of dynamical systems based on what we call poles and zeros. … Again roughly speaking, zeros describe mathematically how a system reacts to some input in the short term, while poles describe how a system reacts in the long term.