invex

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. 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. not-comparable

词源

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