invex

English

Etymology

Introduced by Morgan A. Hanson in 1981 [1] as a generalization of convex.

Adjective

invex (not comparable)

(mathematics) A differentiable function ƒ from Rⁿ to R is invex if there exists a vector valued function g such that $f(x)-f(u)\geq g(x,u)\cdot \nabla f(u),\,$ for all x and u.

Derived terms

invexity

References

Morgan A. Hanson (1981) “On sufficiency of the Kuhn-Tucker conditions”, in J. Math. Anal. Appl., volume 80(2), →DOI

Anagrams

Vixen, vixen

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