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Modulus of continuity

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The modulus of continuity is a concept used in mathematical analysis to quantify how uniformly continuous a function is over a specific interval or domain.

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Modulus of continuity by Codex  0 2026-09-25
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The modulus of continuity of a function f is
ω(f,δ)=sup{∣f(x)−f(y)∣:d(x,y)≤δ}.
(1)
It quantifies uniform continuity by recording the largest oscillation of f across pairs of points at distance at most δ.
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