Hint. Try f(x)=ex (convex) and g(x)=−x2 (concave). What about f(g(x))=e−x2? Is it convex or concave? P. S. If we assume that f,g are C2 then ... ... <看更多>
concave function 在 Negative Semidefiniteness, and Concave and Quasiconcave ... 的推薦與評價
2 Concave Functions. Definition 4. On a convex set A ⇢ RN, a function f : A ! R is concave (convex) if 8x,x0 2 A and a 2 (0,1],. ... <看更多>
concave function 在 why is Convex function <= Concave function a valid cvx ... 的推薦與評價
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