Hem yarı-dışbükey hem de yarı-içbükey olan bir fonksiyon yarı-doğrusaldır.
- A function that is both quasiconvex and quasiconcave is quasilinear.
... roughly a quarter of a billion people on the planet. Today, there are almost seven billion. More ...
... And, yeah, lots of really big, almost, like, big Def ...