quasiconvex function - traduction vers russe
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quasiconvex function - traduction vers russe

FUNCTION FOR WHICH EVERY SET OF INPUTS WHOSE VALUE IS BELOW A GIVEN THRESHOLD IS CONVEX
Quasiconcave; Quasiconvex; Quasi-convex function; Quasi convex function; Quasiconcave function; Quasi-concave function; Quasi concave function; Quasiconcavity; Strict quasiconcavity; Quasiconvexity; Strict quasiconvexity; Strictly quasiconvex; Strictly quasiconvex function; Quasi convex; Quasilinear function
  • A quasilinear function is both quasiconvex and quasiconcave.
  • joint density]] is quasiconcave.
  • A function that is not quasiconvex: the set of points in the domain of the function for which the function values are below the dashed red line is the union of the two red intervals, which is not a convex set.
  • The graph of a function that is both concave and quasiconvex on the nonnegative real numbers.
  • A quasiconvex function that is not convex

quasiconvex function         

математика

квазивыпуклая функция

quasiconcave function         

математика

квазивогнутая функция

strictly quasiconvex         

математика

строго квазивыпуклый

Définition

surjective

Wikipédia

Quasiconvex function

In mathematics, a quasiconvex function is a real-valued function defined on an interval or on a convex subset of a real vector space such that the inverse image of any set of the form ( , a ) {\displaystyle (-\infty ,a)} is a convex set. For a function of a single variable, along any stretch of the curve the highest point is one of the endpoints. The negative of a quasiconvex function is said to be quasiconcave.

All convex functions are also quasiconvex, but not all quasiconvex functions are convex, so quasiconvexity is a generalization of convexity. Univariate unimodal functions are quasiconvex or quasiconcave, however this is not necessarily the case for functions with multiple arguments. For example, the 2-dimensional Rosenbrock function is unimodal but not quasiconvex and functions with star-convex sublevel sets can be unimodal without being quasiconvex.

Traduction de &#39quasiconvex function&#39 en Russe