invex

Questions

What does invex mean?

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.

Where does invex come from?

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

How to pronounce invex

1. Open the pronunciation page — Open the Speakur entry for “invex”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “invex”.
4. Repeat and practice — Say “invex” aloud, matching stress and vowels until it feels natural.