Concave function (anglický)
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Definícia vek 16 úroveň 3
A function f is called concave if f(tx+(1−t)y) ≥ tf(x)+(1−t)f(y) whenever x and y are in the domain of f, and t is in [0,1].
In other words if a straight line is drawn so as to cut off a piece of the curve, the piece cut off will lie entirely above the line.
In other words if a straight line is drawn so as to cut off a piece of the curve, the piece cut off will lie entirely above the line.
Prepojenia
- širší:
- (en) Function
- ďalšie odkazy:
- (en) Convex function
Finančná podpora: