Hem yarı-dışbükey hem de yarı-içbükey olan bir fonksiyon yarı-doğrusaldır.
- A function that is both quasiconvex and quasiconcave is quasilinear.
... i think we're almost out of time but we have time for one last question if it ...
... And, yeah, lots of really big, almost, like, big Def ...