Quasiconvex function

（重定向自Quasi concave function）

A function that is not quasiconvex: the set of points in the domain of the function for which the function values are below the dashed red line is the union of the two red intervals, which is not a convex set.

The probability density function of the normal distribution is quasiconcave but not concave.

A quasilinear function is both quasiconvex and quasiconcave.

In mathematics, a quasiconvex function is a real-valued function defined on an interval or on a convex subset of a real vector space such that the inverse image of any set of the form $(-\infty,a)$ is a convex set. Informally, along any stretch of the curve the highest point is one of the endpoints. The negative of a quasiconvex function is said to be quasiconcave.

单词	Quasi concave function
释义	Quasi concave function 英语百科 Quasiconvex function （重定向自Quasi concave function） In mathematics, a quasiconvex function is a real-valued function defined on an interval or on a convex subset of a real vector space such that the inverse image of any set of the form $(-\infty,a)$ is a convex set. Informally, along any stretch of the curve the highest point is one of the endpoints. The negative of a quasiconvex function is said to be quasiconcave.
随便看	line pressure line pressure source line print lineprinter line printer line printer command line printer controller line printer control unit Line Printer Daemon lineprinter map line printer spooler Line printer terminal line printer terminal 1 line printing line printing by masking parts line printing by masking parts of the printing surfaces line printing by offset forme cylinders line printing by selective damping line printing by selective damping of the copy material line printing by selective damping of the line printing line printing by selective lifting of the printing cylinder line print terminal line probe router line probing line procedure specification