Re: how to check quasiconcavity of such functions???

Posted by ashutosh on Jun 11, 2014; 4:42pm
URL: http://discussion-forum.276.s1.nabble.com/how-to-check-quasiconcavity-of-such-functions-tp7592403p7592418.html

first function is both quasi concave. We can check that by drawing it on the xy plane. the upper level set f(x) =>a will be convex set.