(computational mechanics) A deterministic automaton consisting of a system of causal states and the transitions between them, functioning as the smallest possible maximally predictive model of a stochastic process

The B.1.427 and B.1.429 strains of the SARS-CoV-2 virus that causes COVID-19.

plural of machine epsilon

(computing) An upper bound on the relative approximation error due to rounding in floating-point arithmetic, denoted by the symbol ε.