Hem yarı-dışbükey hem de yarı-içbükey olan bir fonksiyon yarı-doğrusaldır.
- A function that is both quasiconvex and quasiconcave is quasilinear.
... ecosystem almost two years to see the first billion application installs. ...
... deficits, almost that large. So that's the next area I'm different than President Bush. ...