invex

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adjective

Of a differentiable function f:ℝⁿ→ℝ, being such that there exists a vector valued function g such that f(x)-f(u)≥g(x,u)·∇f(u),, for all x and u.

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Meanings

adjectiveinvex (not comparable)
  1. not comparablemathematicsOf a differentiable function f:ℝⁿ→ℝ, being such that there exists a vector valued function g such that f(x)-f(u)≥g(x,u)·∇f(u),, for all x and u.

Origin

Introduced by Morgan A. Hanson in 1981 as a generalization of convex.

Full word history & related roots →

Rhymes & wordplay

Anagrams

vixen
Cite this entry
APA

invex. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/invex

MLA

“invex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/invex. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “invex,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/invex.

Source: invex on Wiktionary, CC BY-SA 4.0.