The name for the fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).

Relating to epsilonics.

The study of error in mathematical approximations.

(mathematics) To convert small errors to zero or to treat them as arbitrarily small

plural of epsilon

plural of epsilon number

(set theory) Any (necessarily transfinite) ordinal number α such that ω^α = α; (by generalisation) any surreal number that is a fixed point of the exponential map x → ωˣ.

plural of epsilon-machine

(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

(astronomy) Latinized form of the Bayer designation ε Pegasi, named Enif.